Home / 3,993.47-5,510.87-2,502.20

Finding the Fourth Proportional to 3,993.47, 5,510.87 and 2,502.20

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Solution

The fourth proportional to 3,993.47, 5,510.87 and 2,502.20 is: 3,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.47 : 5,510.87 = 2,502.20 : x
  2. Step 2: Convert to fraction form
    3,993.47/5,510.87 = 2,502.20/x
  3. Step 3: Cross multiply
    3,993.47x = 5,510.87 × 2,502.20
  4. Step 4: Simplify right side
    3,993.47x = 13,789,268.87
  5. Step 5: Solve for x
    x = 13,789,268.87/3,993.47
  6. Step 6: Final answer
    x = 3,452.95

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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.