Home / 1,943.52-2,681.64-1,244.76

Finding the Fourth Proportional to 1,943.52, 2,681.64 and 1,244.76

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Solution

The fourth proportional to 1,943.52, 2,681.64 and 1,244.76 is: 1,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.52 : 2,681.64 = 1,244.76 : x
  2. Step 2: Convert to fraction form
    1,943.52/2,681.64 = 1,244.76/x
  3. Step 3: Cross multiply
    1,943.52x = 2,681.64 × 1,244.76
  4. Step 4: Simplify right side
    1,943.52x = 3,337,998.21
  5. Step 5: Solve for x
    x = 3,337,998.21/1,943.52
  6. Step 6: Final answer
    x = 1,717.50

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Half scale
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Double scale
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Similar ratio
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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.