Home / 1,760.73-2,429.85-974.84

Finding the Fourth Proportional to 1,760.73, 2,429.85 and 974.84

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Solution

The fourth proportional to 1,760.73, 2,429.85 and 974.84 is: 1,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.73 : 2,429.85 = 974.84 : x
  2. Step 2: Convert to fraction form
    1,760.73/2,429.85 = 974.84/x
  3. Step 3: Cross multiply
    1,760.73x = 2,429.85 × 974.84
  4. Step 4: Simplify right side
    1,760.73x = 2,368,702.82
  5. Step 5: Solve for x
    x = 2,368,702.82/1,760.73
  6. Step 6: Final answer
    x = 1,345.30

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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.