Home / 5,167.71-7,132.43-2,929.59

Finding the Fourth Proportional to 5,167.71, 7,132.43 and 2,929.59

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Solution

The fourth proportional to 5,167.71, 7,132.43 and 2,929.59 is: 4,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.71 : 7,132.43 = 2,929.59 : x
  2. Step 2: Convert to fraction form
    5,167.71/7,132.43 = 2,929.59/x
  3. Step 3: Cross multiply
    5,167.71x = 7,132.43 × 2,929.59
  4. Step 4: Simplify right side
    5,167.71x = 20,895,097.99
  5. Step 5: Solve for x
    x = 20,895,097.99/5,167.71
  6. Step 6: Final answer
    x = 4,043.40

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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.