Home / 5,195.19-7,792.65-1,299.63

Finding the Fourth Proportional to 5,195.19, 7,792.65 and 1,299.63

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Solution

The fourth proportional to 5,195.19, 7,792.65 and 1,299.63 is: 1,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.19 : 7,792.65 = 1,299.63 : x
  2. Step 2: Convert to fraction form
    5,195.19/7,792.65 = 1,299.63/x
  3. Step 3: Cross multiply
    5,195.19x = 7,792.65 × 1,299.63
  4. Step 4: Simplify right side
    5,195.19x = 10,127,561.72
  5. Step 5: Solve for x
    x = 10,127,561.72/5,195.19
  6. Step 6: Final answer
    x = 1,949.41

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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.