Home / 5,281.10-7,287.96-2,923.28

Finding the Fourth Proportional to 5,281.10, 7,287.96 and 2,923.28

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Solution

The fourth proportional to 5,281.10, 7,287.96 and 2,923.28 is: 4,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.10 : 7,287.96 = 2,923.28 : x
  2. Step 2: Convert to fraction form
    5,281.10/7,287.96 = 2,923.28/x
  3. Step 3: Cross multiply
    5,281.10x = 7,287.96 × 2,923.28
  4. Step 4: Simplify right side
    5,281.10x = 21,304,747.71
  5. Step 5: Solve for x
    x = 21,304,747.71/5,281.10
  6. Step 6: Final answer
    x = 4,034.15

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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.