Home / 1,844.12-2,543.86-1,214.76

Finding the Fourth Proportional to 1,844.12, 2,543.86 and 1,214.76

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Solution

The fourth proportional to 1,844.12, 2,543.86 and 1,214.76 is: 1,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.12 : 2,543.86 = 1,214.76 : x
  2. Step 2: Convert to fraction form
    1,844.12/2,543.86 = 1,214.76/x
  3. Step 3: Cross multiply
    1,844.12x = 2,543.86 × 1,214.76
  4. Step 4: Simplify right side
    1,844.12x = 3,090,179.37
  5. Step 5: Solve for x
    x = 3,090,179.37/1,844.12
  6. Step 6: Final answer
    x = 1,675.69

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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.