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Finding the Fourth Proportional to 5,891.34, 8,130 and 3,534.82

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Solution

The fourth proportional to 5,891.34, 8,130 and 3,534.82 is: 4,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.34 : 8,130 = 3,534.82 : x
  2. Step 2: Convert to fraction form
    5,891.34/8,130 = 3,534.82/x
  3. Step 3: Cross multiply
    5,891.34x = 8,130 × 3,534.82
  4. Step 4: Simplify right side
    5,891.34x = 28,738,086.60
  5. Step 5: Solve for x
    x = 28,738,086.60/5,891.34
  6. Step 6: Final answer
    x = 4,878.02

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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.