Home / 5,017.04-6,923.21-2,778.78

Finding the Fourth Proportional to 5,017.04, 6,923.21 and 2,778.78

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Solution

The fourth proportional to 5,017.04, 6,923.21 and 2,778.78 is: 3,834.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,017.04 : 6,923.21 = 2,778.78 : x
  2. Step 2: Convert to fraction form
    5,017.04/6,923.21 = 2,778.78/x
  3. Step 3: Cross multiply
    5,017.04x = 6,923.21 × 2,778.78
  4. Step 4: Simplify right side
    5,017.04x = 19,238,099.97
  5. Step 5: Solve for x
    x = 19,238,099.97/5,017.04
  6. Step 6: Final answer
    x = 3,834.55

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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.