Home / 7,374.48-11,061.76-2,180.40

Finding the Fourth Proportional to 7,374.48, 11,061.76 and 2,180.40

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Solution

The fourth proportional to 7,374.48, 11,061.76 and 2,180.40 is: 3,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.48 : 11,061.76 = 2,180.40 : x
  2. Step 2: Convert to fraction form
    7,374.48/11,061.76 = 2,180.40/x
  3. Step 3: Cross multiply
    7,374.48x = 11,061.76 × 2,180.40
  4. Step 4: Simplify right side
    7,374.48x = 24,119,061.50
  5. Step 5: Solve for x
    x = 24,119,061.50/7,374.48
  6. Step 6: Final answer
    x = 3,270.61

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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.