Home / 5,232.80-7,221.34-2,874.92

Finding the Fourth Proportional to 5,232.80, 7,221.34 and 2,874.92

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Solution

The fourth proportional to 5,232.80, 7,221.34 and 2,874.92 is: 3,967.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.80 : 7,221.34 = 2,874.92 : x
  2. Step 2: Convert to fraction form
    5,232.80/7,221.34 = 2,874.92/x
  3. Step 3: Cross multiply
    5,232.80x = 7,221.34 × 2,874.92
  4. Step 4: Simplify right side
    5,232.80x = 20,760,774.79
  5. Step 5: Solve for x
    x = 20,760,774.79/5,232.80
  6. Step 6: Final answer
    x = 3,967.43

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Half scale
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Double scale
Find fourth proportional to 5,233.80, 7,222.72 and 2,875.92
Similar ratio
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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.