Home / 4,918.71-7,378.07-1,799.13

Finding the Fourth Proportional to 4,918.71, 7,378.07 and 1,799.13

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Solution

The fourth proportional to 4,918.71, 7,378.07 and 1,799.13 is: 2,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.71 : 7,378.07 = 1,799.13 : x
  2. Step 2: Convert to fraction form
    4,918.71/7,378.07 = 1,799.13/x
  3. Step 3: Cross multiply
    4,918.71x = 7,378.07 × 1,799.13
  4. Step 4: Simplify right side
    4,918.71x = 13,274,098.08
  5. Step 5: Solve for x
    x = 13,274,098.08/4,918.71
  6. Step 6: Final answer
    x = 2,698.70

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.