Home / 4,092.46-5,641.65-2,831.59

Finding the Fourth Proportional to 4,092.46, 5,641.65 and 2,831.59

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Solution

The fourth proportional to 4,092.46, 5,641.65 and 2,831.59 is: 3,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.46 : 5,641.65 = 2,831.59 : x
  2. Step 2: Convert to fraction form
    4,092.46/5,641.65 = 2,831.59/x
  3. Step 3: Cross multiply
    4,092.46x = 5,641.65 × 2,831.59
  4. Step 4: Simplify right side
    4,092.46x = 15,974,846.78
  5. Step 5: Solve for x
    x = 15,974,846.78/4,092.46
  6. Step 6: Final answer
    x = 3,903.49

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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.