Home / 5,681.73-8,511.25-4,513.71

Finding the Fourth Proportional to 5,681.73, 8,511.25 and 4,513.71

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Solution

The fourth proportional to 5,681.73, 8,511.25 and 4,513.71 is: 6,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.73 : 8,511.25 = 4,513.71 : x
  2. Step 2: Convert to fraction form
    5,681.73/8,511.25 = 4,513.71/x
  3. Step 3: Cross multiply
    5,681.73x = 8,511.25 × 4,513.71
  4. Step 4: Simplify right side
    5,681.73x = 38,417,314.24
  5. Step 5: Solve for x
    x = 38,417,314.24/5,681.73
  6. Step 6: Final answer
    x = 6,761.55

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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.