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Finding the Fourth Proportional to 4,684.76, 6,464.72 and 2,588.76

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Solution

The fourth proportional to 4,684.76, 6,464.72 and 2,588.76 is: 3,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.76 : 6,464.72 = 2,588.76 : x
  2. Step 2: Convert to fraction form
    4,684.76/6,464.72 = 2,588.76/x
  3. Step 3: Cross multiply
    4,684.76x = 6,464.72 × 2,588.76
  4. Step 4: Simplify right side
    4,684.76x = 16,735,608.55
  5. Step 5: Solve for x
    x = 16,735,608.55/4,684.76
  6. Step 6: Final answer
    x = 3,572.35

Related Problems

Find fourth proportional to 2,342.38, 3,232.36 and 1,294.38
Half scale
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Double scale
Find fourth proportional to 4,685.76, 6,466.10 and 2,589.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.