Home / 5,017.08-6,923.66-2,778.88

Finding the Fourth Proportional to 5,017.08, 6,923.66 and 2,778.88

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Solution

The fourth proportional to 5,017.08, 6,923.66 and 2,778.88 is: 3,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.08 : 6,923.66 = 2,778.88 : x
  2. Step 2: Convert to fraction form
    5,017.08/6,923.66 = 2,778.88/x
  3. Step 3: Cross multiply
    5,017.08x = 6,923.66 × 2,778.88
  4. Step 4: Simplify right side
    5,017.08x = 19,240,020.30
  5. Step 5: Solve for x
    x = 19,240,020.30/5,017.08
  6. Step 6: Final answer
    x = 3,834.90

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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.