Home / 5,019.41-6,926.51-2,781.15

Finding the Fourth Proportional to 5,019.41, 6,926.51 and 2,781.15

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Solution

The fourth proportional to 5,019.41, 6,926.51 and 2,781.15 is: 3,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.41 : 6,926.51 = 2,781.15 : x
  2. Step 2: Convert to fraction form
    5,019.41/6,926.51 = 2,781.15/x
  3. Step 3: Cross multiply
    5,019.41x = 6,926.51 × 2,781.15
  4. Step 4: Simplify right side
    5,019.41x = 19,263,649.38
  5. Step 5: Solve for x
    x = 19,263,649.38/5,019.41
  6. Step 6: Final answer
    x = 3,837.83

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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.