Home / 5,470.26-7,547.10-3,079.86

Finding the Fourth Proportional to 5,470.26, 7,547.10 and 3,079.86

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Solution

The fourth proportional to 5,470.26, 7,547.10 and 3,079.86 is: 4,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,470.26 : 7,547.10 = 3,079.86 : x
  2. Step 2: Convert to fraction form
    5,470.26/7,547.10 = 3,079.86/x
  3. Step 3: Cross multiply
    5,470.26x = 7,547.10 × 3,079.86
  4. Step 4: Simplify right side
    5,470.26x = 23,244,011.41
  5. Step 5: Solve for x
    x = 23,244,011.41/5,470.26
  6. Step 6: Final answer
    x = 4,249.16

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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.