Home / 5,347.40-7,372.22-3,751.92

Finding the Fourth Proportional to 5,347.40, 7,372.22 and 3,751.92

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Solution

The fourth proportional to 5,347.40, 7,372.22 and 3,751.92 is: 5,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.40 : 7,372.22 = 3,751.92 : x
  2. Step 2: Convert to fraction form
    5,347.40/7,372.22 = 3,751.92/x
  3. Step 3: Cross multiply
    5,347.40x = 7,372.22 × 3,751.92
  4. Step 4: Simplify right side
    5,347.40x = 27,659,960.90
  5. Step 5: Solve for x
    x = 27,659,960.90/5,347.40
  6. Step 6: Final answer
    x = 5,172.60

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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.