Home / 2,240.28-3,088.80-1,767.24

Finding the Fourth Proportional to 2,240.28, 3,088.80 and 1,767.24

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Solution

The fourth proportional to 2,240.28, 3,088.80 and 1,767.24 is: 2,436.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.28 : 3,088.80 = 1,767.24 : x
  2. Step 2: Convert to fraction form
    2,240.28/3,088.80 = 1,767.24/x
  3. Step 3: Cross multiply
    2,240.28x = 3,088.80 × 1,767.24
  4. Step 4: Simplify right side
    2,240.28x = 5,458,650.91
  5. Step 5: Solve for x
    x = 5,458,650.91/2,240.28
  6. Step 6: Final answer
    x = 2,436.59

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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.