Home / 5,281.11-7,287.17-2,923.25

Finding the Fourth Proportional to 5,281.11, 7,287.17 and 2,923.25

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Solution

The fourth proportional to 5,281.11, 7,287.17 and 2,923.25 is: 4,033.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.11 : 7,287.17 = 2,923.25 : x
  2. Step 2: Convert to fraction form
    5,281.11/7,287.17 = 2,923.25/x
  3. Step 3: Cross multiply
    5,281.11x = 7,287.17 × 2,923.25
  4. Step 4: Simplify right side
    5,281.11x = 21,302,219.70
  5. Step 5: Solve for x
    x = 21,302,219.70/5,281.11
  6. Step 6: Final answer
    x = 4,033.66

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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.