Home / 7,372.32-10,166.01-5,480.87

Finding the Fourth Proportional to 7,372.32, 10,166.01 and 5,480.87

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Solution

The fourth proportional to 7,372.32, 10,166.01 and 5,480.87 is: 7,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.32 : 10,166.01 = 5,480.87 : x
  2. Step 2: Convert to fraction form
    7,372.32/10,166.01 = 5,480.87/x
  3. Step 3: Cross multiply
    7,372.32x = 10,166.01 × 5,480.87
  4. Step 4: Simplify right side
    7,372.32x = 55,718,507.85
  5. Step 5: Solve for x
    x = 55,718,507.85/7,372.32
  6. Step 6: Final answer
    x = 7,557.80

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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.