Home / 2,147.27-2,963.13-1,202.95

Finding the Fourth Proportional to 2,147.27, 2,963.13 and 1,202.95

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Solution

The fourth proportional to 2,147.27, 2,963.13 and 1,202.95 is: 1,660.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.27 : 2,963.13 = 1,202.95 : x
  2. Step 2: Convert to fraction form
    2,147.27/2,963.13 = 1,202.95/x
  3. Step 3: Cross multiply
    2,147.27x = 2,963.13 × 1,202.95
  4. Step 4: Simplify right side
    2,147.27x = 3,564,482.42
  5. Step 5: Solve for x
    x = 3,564,482.42/2,147.27
  6. Step 6: Final answer
    x = 1,660.01

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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.