Home / 5,726.70-8,591.40-1,831.14

Finding the Fourth Proportional to 5,726.70, 8,591.40 and 1,831.14

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Solution

The fourth proportional to 5,726.70, 8,591.40 and 1,831.14 is: 2,747.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.70 : 8,591.40 = 1,831.14 : x
  2. Step 2: Convert to fraction form
    5,726.70/8,591.40 = 1,831.14/x
  3. Step 3: Cross multiply
    5,726.70x = 8,591.40 × 1,831.14
  4. Step 4: Simplify right side
    5,726.70x = 15,732,056.20
  5. Step 5: Solve for x
    x = 15,732,056.20/5,726.70
  6. Step 6: Final answer
    x = 2,747.14

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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.