Home / 5,440.32-7,507.80-3,082.38

Finding the Fourth Proportional to 5,440.32, 7,507.80 and 3,082.38

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Solution

The fourth proportional to 5,440.32, 7,507.80 and 3,082.38 is: 4,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.32 : 7,507.80 = 3,082.38 : x
  2. Step 2: Convert to fraction form
    5,440.32/7,507.80 = 3,082.38/x
  3. Step 3: Cross multiply
    5,440.32x = 7,507.80 × 3,082.38
  4. Step 4: Simplify right side
    5,440.32x = 23,141,892.56
  5. Step 5: Solve for x
    x = 23,141,892.56/5,440.32
  6. Step 6: Final answer
    x = 4,253.77

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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.