Home / 5,149.02-7,105.68-3,053.28

Finding the Fourth Proportional to 5,149.02, 7,105.68 and 3,053.28

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Solution

The fourth proportional to 5,149.02, 7,105.68 and 3,053.28 is: 4,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.02 : 7,105.68 = 3,053.28 : x
  2. Step 2: Convert to fraction form
    5,149.02/7,105.68 = 3,053.28/x
  3. Step 3: Cross multiply
    5,149.02x = 7,105.68 × 3,053.28
  4. Step 4: Simplify right side
    5,149.02x = 21,695,630.63
  5. Step 5: Solve for x
    x = 21,695,630.63/5,149.02
  6. Step 6: Final answer
    x = 4,213.55

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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.