Home / 5,702.40-8,547.42-2,417.78

Finding the Fourth Proportional to 5,702.40, 8,547.42 and 2,417.78

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Solution

The fourth proportional to 5,702.40, 8,547.42 and 2,417.78 is: 3,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,702.40 : 8,547.42 = 2,417.78 : x
  2. Step 2: Convert to fraction form
    5,702.40/8,547.42 = 2,417.78/x
  3. Step 3: Cross multiply
    5,702.40x = 8,547.42 × 2,417.78
  4. Step 4: Simplify right side
    5,702.40x = 20,665,811.56
  5. Step 5: Solve for x
    x = 20,665,811.56/5,702.40
  6. Step 6: Final answer
    x = 3,624.06

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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.