Home / 5,154.60-7,113.28-2,916.44

Finding the Fourth Proportional to 5,154.60, 7,113.28 and 2,916.44

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Solution

The fourth proportional to 5,154.60, 7,113.28 and 2,916.44 is: 4,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.60 : 7,113.28 = 2,916.44 : x
  2. Step 2: Convert to fraction form
    5,154.60/7,113.28 = 2,916.44/x
  3. Step 3: Cross multiply
    5,154.60x = 7,113.28 × 2,916.44
  4. Step 4: Simplify right side
    5,154.60x = 20,745,454.32
  5. Step 5: Solve for x
    x = 20,745,454.32/5,154.60
  6. Step 6: Final answer
    x = 4,024.65

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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.