Home / 5,301.38-7,320.54-3,315.32

Finding the Fourth Proportional to 5,301.38, 7,320.54 and 3,315.32

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Solution

The fourth proportional to 5,301.38, 7,320.54 and 3,315.32 is: 4,578.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.38 : 7,320.54 = 3,315.32 : x
  2. Step 2: Convert to fraction form
    5,301.38/7,320.54 = 3,315.32/x
  3. Step 3: Cross multiply
    5,301.38x = 7,320.54 × 3,315.32
  4. Step 4: Simplify right side
    5,301.38x = 24,269,932.67
  5. Step 5: Solve for x
    x = 24,269,932.67/5,301.38
  6. Step 6: Final answer
    x = 4,578.04

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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.