Home / 7,281.48-10,923.96-2,087.28

Finding the Fourth Proportional to 7,281.48, 10,923.96 and 2,087.28

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Solution

The fourth proportional to 7,281.48, 10,923.96 and 2,087.28 is: 3,131.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.48 : 10,923.96 = 2,087.28 : x
  2. Step 2: Convert to fraction form
    7,281.48/10,923.96 = 2,087.28/x
  3. Step 3: Cross multiply
    7,281.48x = 10,923.96 × 2,087.28
  4. Step 4: Simplify right side
    7,281.48x = 22,801,363.23
  5. Step 5: Solve for x
    x = 22,801,363.23/7,281.48
  6. Step 6: Final answer
    x = 3,131.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.