Home / 5,232.50-7,220.78-2,874.58

Finding the Fourth Proportional to 5,232.50, 7,220.78 and 2,874.58

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Solution

The fourth proportional to 5,232.50, 7,220.78 and 2,874.58 is: 3,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.50 : 7,220.78 = 2,874.58 : x
  2. Step 2: Convert to fraction form
    5,232.50/7,220.78 = 2,874.58/x
  3. Step 3: Cross multiply
    5,232.50x = 7,220.78 × 2,874.58
  4. Step 4: Simplify right side
    5,232.50x = 20,756,709.77
  5. Step 5: Solve for x
    x = 20,756,709.77/5,232.50
  6. Step 6: Final answer
    x = 3,966.88

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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.