Home / 5,899.77-8,146.92-3,665.45

Finding the Fourth Proportional to 5,899.77, 8,146.92 and 3,665.45

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Solution

The fourth proportional to 5,899.77, 8,146.92 and 3,665.45 is: 5,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.77 : 8,146.92 = 3,665.45 : x
  2. Step 2: Convert to fraction form
    5,899.77/8,146.92 = 3,665.45/x
  3. Step 3: Cross multiply
    5,899.77x = 8,146.92 × 3,665.45
  4. Step 4: Simplify right side
    5,899.77x = 29,862,084.70
  5. Step 5: Solve for x
    x = 29,862,084.70/5,899.77
  6. Step 6: Final answer
    x = 5,061.56

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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.