Home / 2,232.17-3,080.40-1,237.49

Finding the Fourth Proportional to 2,232.17, 3,080.40 and 1,237.49

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Solution

The fourth proportional to 2,232.17, 3,080.40 and 1,237.49 is: 1,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.17 : 3,080.40 = 1,237.49 : x
  2. Step 2: Convert to fraction form
    2,232.17/3,080.40 = 1,237.49/x
  3. Step 3: Cross multiply
    2,232.17x = 3,080.40 × 1,237.49
  4. Step 4: Simplify right side
    2,232.17x = 3,811,964.20
  5. Step 5: Solve for x
    x = 3,811,964.20/2,232.17
  6. Step 6: Final answer
    x = 1,707.74

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Half scale
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Double scale
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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.