Home / 5,345.12-7,373.76-3,247.84

Finding the Fourth Proportional to 5,345.12, 7,373.76 and 3,247.84

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Solution

The fourth proportional to 5,345.12, 7,373.76 and 3,247.84 is: 4,480.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.12 : 7,373.76 = 3,247.84 : x
  2. Step 2: Convert to fraction form
    5,345.12/7,373.76 = 3,247.84/x
  3. Step 3: Cross multiply
    5,345.12x = 7,373.76 × 3,247.84
  4. Step 4: Simplify right side
    5,345.12x = 23,948,792.68
  5. Step 5: Solve for x
    x = 23,948,792.68/5,345.12
  6. Step 6: Final answer
    x = 4,480.50

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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.