Home / 5,079.14-7,619.85-1,792.26

Finding the Fourth Proportional to 5,079.14, 7,619.85 and 1,792.26

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Solution

The fourth proportional to 5,079.14, 7,619.85 and 1,792.26 is: 2,688.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.14 : 7,619.85 = 1,792.26 : x
  2. Step 2: Convert to fraction form
    5,079.14/7,619.85 = 1,792.26/x
  3. Step 3: Cross multiply
    5,079.14x = 7,619.85 × 1,792.26
  4. Step 4: Simplify right side
    5,079.14x = 13,656,752.36
  5. Step 5: Solve for x
    x = 13,656,752.36/5,079.14
  6. Step 6: Final answer
    x = 2,688.79

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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.