Home / 5,470.46-7,549.26-3,112.76

Finding the Fourth Proportional to 5,470.46, 7,549.26 and 3,112.76

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Solution

The fourth proportional to 5,470.46, 7,549.26 and 3,112.76 is: 4,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.46 : 7,549.26 = 3,112.76 : x
  2. Step 2: Convert to fraction form
    5,470.46/7,549.26 = 3,112.76/x
  3. Step 3: Cross multiply
    5,470.46x = 7,549.26 × 3,112.76
  4. Step 4: Simplify right side
    5,470.46x = 23,499,034.56
  5. Step 5: Solve for x
    x = 23,499,034.56/5,470.46
  6. Step 6: Final answer
    x = 4,295.62

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1.5x scale

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.