Home / 5,470.85-7,549.53-3,112.94

Finding the Fourth Proportional to 5,470.85, 7,549.53 and 3,112.94

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Solution

The fourth proportional to 5,470.85, 7,549.53 and 3,112.94 is: 4,295.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.85 : 7,549.53 = 3,112.94 : x
  2. Step 2: Convert to fraction form
    5,470.85/7,549.53 = 3,112.94/x
  3. Step 3: Cross multiply
    5,470.85x = 7,549.53 × 3,112.94
  4. Step 4: Simplify right side
    5,470.85x = 23,501,233.92
  5. Step 5: Solve for x
    x = 23,501,233.92/5,470.85
  6. Step 6: Final answer
    x = 4,295.72

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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.