Home / 1,760.11-2,426.74-1,129.52

Finding the Fourth Proportional to 1,760.11, 2,426.74 and 1,129.52

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Solution

The fourth proportional to 1,760.11, 2,426.74 and 1,129.52 is: 1,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.11 : 2,426.74 = 1,129.52 : x
  2. Step 2: Convert to fraction form
    1,760.11/2,426.74 = 1,129.52/x
  3. Step 3: Cross multiply
    1,760.11x = 2,426.74 × 1,129.52
  4. Step 4: Simplify right side
    1,760.11x = 2,741,060.96
  5. Step 5: Solve for x
    x = 2,741,060.96/1,760.11
  6. Step 6: Final answer
    x = 1,557.33

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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.