Home / 5,515.02-7,610.76-2,997.14

Finding the Fourth Proportional to 5,515.02, 7,610.76 and 2,997.14

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Solution

The fourth proportional to 5,515.02, 7,610.76 and 2,997.14 is: 4,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.02 : 7,610.76 = 2,997.14 : x
  2. Step 2: Convert to fraction form
    5,515.02/7,610.76 = 2,997.14/x
  3. Step 3: Cross multiply
    5,515.02x = 7,610.76 × 2,997.14
  4. Step 4: Simplify right side
    5,515.02x = 22,810,475.17
  5. Step 5: Solve for x
    x = 22,810,475.17/5,515.02
  6. Step 6: Final answer
    x = 4,136.06

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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.