Home / 5,882.17-8,121.19-3,895.41

Finding the Fourth Proportional to 5,882.17, 8,121.19 and 3,895.41

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Solution

The fourth proportional to 5,882.17, 8,121.19 and 3,895.41 is: 5,378.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,882.17 : 8,121.19 = 3,895.41 : x
  2. Step 2: Convert to fraction form
    5,882.17/8,121.19 = 3,895.41/x
  3. Step 3: Cross multiply
    5,882.17x = 8,121.19 × 3,895.41
  4. Step 4: Simplify right side
    5,882.17x = 31,635,364.74
  5. Step 5: Solve for x
    x = 31,635,364.74/5,882.17
  6. Step 6: Final answer
    x = 5,378.18

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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.