Home / 5,469.77-7,547.28-3,079.37

Finding the Fourth Proportional to 5,469.77, 7,547.28 and 3,079.37

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Solution

The fourth proportional to 5,469.77, 7,547.28 and 3,079.37 is: 4,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.77 : 7,547.28 = 3,079.37 : x
  2. Step 2: Convert to fraction form
    5,469.77/7,547.28 = 3,079.37/x
  3. Step 3: Cross multiply
    5,469.77x = 7,547.28 × 3,079.37
  4. Step 4: Simplify right side
    5,469.77x = 23,240,829.88
  5. Step 5: Solve for x
    x = 23,240,829.88/5,469.77
  6. Step 6: Final answer
    x = 4,248.96

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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.