Home / 4,130.76-5,702.66-3,184.49

Finding the Fourth Proportional to 4,130.76, 5,702.66 and 3,184.49

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Solution

The fourth proportional to 4,130.76, 5,702.66 and 3,184.49 is: 4,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.76 : 5,702.66 = 3,184.49 : x
  2. Step 2: Convert to fraction form
    4,130.76/5,702.66 = 3,184.49/x
  3. Step 3: Cross multiply
    4,130.76x = 5,702.66 × 3,184.49
  4. Step 4: Simplify right side
    4,130.76x = 18,160,019.31
  5. Step 5: Solve for x
    x = 18,160,019.31/4,130.76
  6. Step 6: Final answer
    x = 4,396.29

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Half scale
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Double scale
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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.