Home / 3,997.95-5,510.56-2,671.17

Finding the Fourth Proportional to 3,997.95, 5,510.56 and 2,671.17

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Solution

The fourth proportional to 3,997.95, 5,510.56 and 2,671.17 is: 3,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.95 : 5,510.56 = 2,671.17 : x
  2. Step 2: Convert to fraction form
    3,997.95/5,510.56 = 2,671.17/x
  3. Step 3: Cross multiply
    3,997.95x = 5,510.56 × 2,671.17
  4. Step 4: Simplify right side
    3,997.95x = 14,719,642.56
  5. Step 5: Solve for x
    x = 14,719,642.56/3,997.95
  6. Step 6: Final answer
    x = 3,681.80

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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.