Home / 1,863.39-2,568.76-1,302.11

Finding the Fourth Proportional to 1,863.39, 2,568.76 and 1,302.11

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Solution

The fourth proportional to 1,863.39, 2,568.76 and 1,302.11 is: 1,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.39 : 2,568.76 = 1,302.11 : x
  2. Step 2: Convert to fraction form
    1,863.39/2,568.76 = 1,302.11/x
  3. Step 3: Cross multiply
    1,863.39x = 2,568.76 × 1,302.11
  4. Step 4: Simplify right side
    1,863.39x = 3,344,819.78
  5. Step 5: Solve for x
    x = 3,344,819.78/1,863.39
  6. Step 6: Final answer
    x = 1,795.02

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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.