Home / 5,232.82-7,221.29-2,875.11

Finding the Fourth Proportional to 5,232.82, 7,221.29 and 2,875.11

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Solution

The fourth proportional to 5,232.82, 7,221.29 and 2,875.11 is: 3,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.82 : 7,221.29 = 2,875.11 : x
  2. Step 2: Convert to fraction form
    5,232.82/7,221.29 = 2,875.11/x
  3. Step 3: Cross multiply
    5,232.82x = 7,221.29 × 2,875.11
  4. Step 4: Simplify right side
    5,232.82x = 20,761,952.61
  5. Step 5: Solve for x
    x = 20,761,952.61/5,232.82
  6. Step 6: Final answer
    x = 3,967.65

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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.