Home / 4,925.28-7,390.68-2,616.72

Finding the Fourth Proportional to 4,925.28, 7,390.68 and 2,616.72

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Solution

The fourth proportional to 4,925.28, 7,390.68 and 2,616.72 is: 3,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.28 : 7,390.68 = 2,616.72 : x
  2. Step 2: Convert to fraction form
    4,925.28/7,390.68 = 2,616.72/x
  3. Step 3: Cross multiply
    4,925.28x = 7,390.68 × 2,616.72
  4. Step 4: Simplify right side
    4,925.28x = 19,339,340.17
  5. Step 5: Solve for x
    x = 19,339,340.17/4,925.28
  6. Step 6: Final answer
    x = 3,926.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.