Home / 5,470.10-7,549.29-3,112.19

Finding the Fourth Proportional to 5,470.10, 7,549.29 and 3,112.19

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Solution

The fourth proportional to 5,470.10, 7,549.29 and 3,112.19 is: 4,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.10 : 7,549.29 = 3,112.19 : x
  2. Step 2: Convert to fraction form
    5,470.10/7,549.29 = 3,112.19/x
  3. Step 3: Cross multiply
    5,470.10x = 7,549.29 × 3,112.19
  4. Step 4: Simplify right side
    5,470.10x = 23,494,787.10
  5. Step 5: Solve for x
    x = 23,494,787.10/5,470.10
  6. Step 6: Final answer
    x = 4,295.13

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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.