Home / 5,019.83-6,927.33-2,781.83

Finding the Fourth Proportional to 5,019.83, 6,927.33 and 2,781.83

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Solution

The fourth proportional to 5,019.83, 6,927.33 and 2,781.83 is: 3,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.83 : 6,927.33 = 2,781.83 : x
  2. Step 2: Convert to fraction form
    5,019.83/6,927.33 = 2,781.83/x
  3. Step 3: Cross multiply
    5,019.83x = 6,927.33 × 2,781.83
  4. Step 4: Simplify right side
    5,019.83x = 19,270,654.41
  5. Step 5: Solve for x
    x = 19,270,654.41/5,019.83
  6. Step 6: Final answer
    x = 3,838.91

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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.