Home / 5,016.15-6,922.68-2,778.24

Finding the Fourth Proportional to 5,016.15, 6,922.68 and 2,778.24

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Solution

The fourth proportional to 5,016.15, 6,922.68 and 2,778.24 is: 3,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.15 : 6,922.68 = 2,778.24 : x
  2. Step 2: Convert to fraction form
    5,016.15/6,922.68 = 2,778.24/x
  3. Step 3: Cross multiply
    5,016.15x = 6,922.68 × 2,778.24
  4. Step 4: Simplify right side
    5,016.15x = 19,232,837.26
  5. Step 5: Solve for x
    x = 19,232,837.26/5,016.15
  6. Step 6: Final answer
    x = 3,834.18

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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.