Home / 2,050.26-2,829.40-1,118.76

Finding the Fourth Proportional to 2,050.26, 2,829.40 and 1,118.76

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Solution

The fourth proportional to 2,050.26, 2,829.40 and 1,118.76 is: 1,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.26 : 2,829.40 = 1,118.76 : x
  2. Step 2: Convert to fraction form
    2,050.26/2,829.40 = 1,118.76/x
  3. Step 3: Cross multiply
    2,050.26x = 2,829.40 × 1,118.76
  4. Step 4: Simplify right side
    2,050.26x = 3,165,419.54
  5. Step 5: Solve for x
    x = 3,165,419.54/2,050.26
  6. Step 6: Final answer
    x = 1,543.91

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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.