Home / 5,154.39-7,113.45-2,916.29

Finding the Fourth Proportional to 5,154.39, 7,113.45 and 2,916.29

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Solution

The fourth proportional to 5,154.39, 7,113.45 and 2,916.29 is: 4,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.39 : 7,113.45 = 2,916.29 : x
  2. Step 2: Convert to fraction form
    5,154.39/7,113.45 = 2,916.29/x
  3. Step 3: Cross multiply
    5,154.39x = 7,113.45 × 2,916.29
  4. Step 4: Simplify right side
    5,154.39x = 20,744,883.10
  5. Step 5: Solve for x
    x = 20,744,883.10/5,154.39
  6. Step 6: Final answer
    x = 4,024.70

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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.