Home / 5,232.12-7,220.40-2,874.48

Finding the Fourth Proportional to 5,232.12, 7,220.40 and 2,874.48

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Solution

The fourth proportional to 5,232.12, 7,220.40 and 2,874.48 is: 3,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.12 : 7,220.40 = 2,874.48 : x
  2. Step 2: Convert to fraction form
    5,232.12/7,220.40 = 2,874.48/x
  3. Step 3: Cross multiply
    5,232.12x = 7,220.40 × 2,874.48
  4. Step 4: Simplify right side
    5,232.12x = 20,754,895.39
  5. Step 5: Solve for x
    x = 20,754,895.39/5,232.12
  6. Step 6: Final answer
    x = 3,966.82

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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.