Home / 5,281.12-7,287.12-3,043.08

Finding the Fourth Proportional to 5,281.12, 7,287.12 and 3,043.08

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Solution

The fourth proportional to 5,281.12, 7,287.12 and 3,043.08 is: 4,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.12 : 7,287.12 = 3,043.08 : x
  2. Step 2: Convert to fraction form
    5,281.12/7,287.12 = 3,043.08/x
  3. Step 3: Cross multiply
    5,281.12x = 7,287.12 × 3,043.08
  4. Step 4: Simplify right side
    5,281.12x = 22,175,289.13
  5. Step 5: Solve for x
    x = 22,175,289.13/5,281.12
  6. Step 6: Final answer
    x = 4,198.97

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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.