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Finding the Fourth Proportional to 3,565.95, 4,920.22 and 2,239.17

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Solution

The fourth proportional to 3,565.95, 4,920.22 and 2,239.17 is: 3,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.95 : 4,920.22 = 2,239.17 : x
  2. Step 2: Convert to fraction form
    3,565.95/4,920.22 = 2,239.17/x
  3. Step 3: Cross multiply
    3,565.95x = 4,920.22 × 2,239.17
  4. Step 4: Simplify right side
    3,565.95x = 11,017,211.82
  5. Step 5: Solve for x
    x = 11,017,211.82/3,565.95
  6. Step 6: Final answer
    x = 3,089.56

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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.