Home / 3,712.86-5,122.71-2,924.46

Finding the Fourth Proportional to 3,712.86, 5,122.71 and 2,924.46

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Solution

The fourth proportional to 3,712.86, 5,122.71 and 2,924.46 is: 4,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.86 : 5,122.71 = 2,924.46 : x
  2. Step 2: Convert to fraction form
    3,712.86/5,122.71 = 2,924.46/x
  3. Step 3: Cross multiply
    3,712.86x = 5,122.71 × 2,924.46
  4. Step 4: Simplify right side
    3,712.86x = 14,981,160.49
  5. Step 5: Solve for x
    x = 14,981,160.49/3,712.86
  6. Step 6: Final answer
    x = 4,034.94

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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.