Home / 1,546.76-2,138.64-1,352.36

Finding the Fourth Proportional to 1,546.76, 2,138.64 and 1,352.36

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Solution

The fourth proportional to 1,546.76, 2,138.64 and 1,352.36 is: 1,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,546.76 : 2,138.64 = 1,352.36 : x
  2. Step 2: Convert to fraction form
    1,546.76/2,138.64 = 1,352.36/x
  3. Step 3: Cross multiply
    1,546.76x = 2,138.64 × 1,352.36
  4. Step 4: Simplify right side
    1,546.76x = 2,892,211.19
  5. Step 5: Solve for x
    x = 2,892,211.19/1,546.76
  6. Step 6: Final answer
    x = 1,869.85

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Half 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.