Home / 5,665.95-8,487.88-3,712.23

Finding the Fourth Proportional to 5,665.95, 8,487.88 and 3,712.23

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Solution

The fourth proportional to 5,665.95, 8,487.88 and 3,712.23 is: 5,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.95 : 8,487.88 = 3,712.23 : x
  2. Step 2: Convert to fraction form
    5,665.95/8,487.88 = 3,712.23/x
  3. Step 3: Cross multiply
    5,665.95x = 8,487.88 × 3,712.23
  4. Step 4: Simplify right side
    5,665.95x = 31,508,962.77
  5. Step 5: Solve for x
    x = 31,508,962.77/5,665.95
  6. Step 6: Final answer
    x = 5,561.11

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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.