Home / 5,320.28-7,342.26-3,082.16

Finding the Fourth Proportional to 5,320.28, 7,342.26 and 3,082.16

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Solution

The fourth proportional to 5,320.28, 7,342.26 and 3,082.16 is: 4,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.28 : 7,342.26 = 3,082.16 : x
  2. Step 2: Convert to fraction form
    5,320.28/7,342.26 = 3,082.16/x
  3. Step 3: Cross multiply
    5,320.28x = 7,342.26 × 3,082.16
  4. Step 4: Simplify right side
    5,320.28x = 22,630,020.08
  5. Step 5: Solve for x
    x = 22,630,020.08/5,320.28
  6. Step 6: Final answer
    x = 4,253.54

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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.