Home / 5,470.44-7,549.32-3,113.12

Finding the Fourth Proportional to 5,470.44, 7,549.32 and 3,113.12

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Solution

The fourth proportional to 5,470.44, 7,549.32 and 3,113.12 is: 4,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.44 : 7,549.32 = 3,113.12 : x
  2. Step 2: Convert to fraction form
    5,470.44/7,549.32 = 3,113.12/x
  3. Step 3: Cross multiply
    5,470.44x = 7,549.32 × 3,113.12
  4. Step 4: Simplify right side
    5,470.44x = 23,501,939.08
  5. Step 5: Solve for x
    x = 23,501,939.08/5,470.44
  6. Step 6: Final answer
    x = 4,296.17

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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.