Home / 5,458.05-7,532.28-3,100.02

Finding the Fourth Proportional to 5,458.05, 7,532.28 and 3,100.02

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Solution

The fourth proportional to 5,458.05, 7,532.28 and 3,100.02 is: 4,278.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.05 : 7,532.28 = 3,100.02 : x
  2. Step 2: Convert to fraction form
    5,458.05/7,532.28 = 3,100.02/x
  3. Step 3: Cross multiply
    5,458.05x = 7,532.28 × 3,100.02
  4. Step 4: Simplify right side
    5,458.05x = 23,350,218.65
  5. Step 5: Solve for x
    x = 23,350,218.65/5,458.05
  6. Step 6: Final answer
    x = 4,278.12

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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.