Home / 1,760.17-2,429.01-974.20

Finding the Fourth Proportional to 1,760.17, 2,429.01 and 974.20

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Solution

The fourth proportional to 1,760.17, 2,429.01 and 974.20 is: 1,344.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.17 : 2,429.01 = 974.20 : x
  2. Step 2: Convert to fraction form
    1,760.17/2,429.01 = 974.20/x
  3. Step 3: Cross multiply
    1,760.17x = 2,429.01 × 974.20
  4. Step 4: Simplify right side
    1,760.17x = 2,366,335.47
  5. Step 5: Solve for x
    x = 2,366,335.47/1,760.17
  6. Step 6: Final answer
    x = 1,344.38

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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.