Home / 5,440.35-7,507.62-3,082.58

Finding the Fourth Proportional to 5,440.35, 7,507.62 and 3,082.58

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Solution

The fourth proportional to 5,440.35, 7,507.62 and 3,082.58 is: 4,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.35 : 7,507.62 = 3,082.58 : x
  2. Step 2: Convert to fraction form
    5,440.35/7,507.62 = 3,082.58/x
  3. Step 3: Cross multiply
    5,440.35x = 7,507.62 × 3,082.58
  4. Step 4: Simplify right side
    5,440.35x = 23,142,801.72
  5. Step 5: Solve for x
    x = 23,142,801.72/5,440.35
  6. Step 6: Final answer
    x = 4,253.92

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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.