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Finding the Fourth Proportional to 4,690.03, 6,472.42 and 2,565.71

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Solution

The fourth proportional to 4,690.03, 6,472.42 and 2,565.71 is: 3,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.03 : 6,472.42 = 2,565.71 : x
  2. Step 2: Convert to fraction form
    4,690.03/6,472.42 = 2,565.71/x
  3. Step 3: Cross multiply
    4,690.03x = 6,472.42 × 2,565.71
  4. Step 4: Simplify right side
    4,690.03x = 16,606,352.72
  5. Step 5: Solve for x
    x = 16,606,352.72/4,690.03
  6. Step 6: Final answer
    x = 3,540.78

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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.