Home / 1,844.76-2,543.28-1,528.86

Finding the Fourth Proportional to 1,844.76, 2,543.28 and 1,528.86

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Solution

The fourth proportional to 1,844.76, 2,543.28 and 1,528.86 is: 2,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.76 : 2,543.28 = 1,528.86 : x
  2. Step 2: Convert to fraction form
    1,844.76/2,543.28 = 1,528.86/x
  3. Step 3: Cross multiply
    1,844.76x = 2,543.28 × 1,528.86
  4. Step 4: Simplify right side
    1,844.76x = 3,888,319.06
  5. Step 5: Solve for x
    x = 3,888,319.06/1,844.76
  6. Step 6: Final answer
    x = 2,107.76

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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.