Home / 5,232.66-7,221.18-2,874.80

Finding the Fourth Proportional to 5,232.66, 7,221.18 and 2,874.80

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Solution

The fourth proportional to 5,232.66, 7,221.18 and 2,874.80 is: 3,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.66 : 7,221.18 = 2,874.80 : x
  2. Step 2: Convert to fraction form
    5,232.66/7,221.18 = 2,874.80/x
  3. Step 3: Cross multiply
    5,232.66x = 7,221.18 × 2,874.80
  4. Step 4: Simplify right side
    5,232.66x = 20,759,420.31
  5. Step 5: Solve for x
    x = 20,759,420.31/5,232.66
  6. Step 6: Final answer
    x = 3,967.28

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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.