Home / 5,918.81-8,876.25-2,797.13

Finding the Fourth Proportional to 5,918.81, 8,876.25 and 2,797.13

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Solution

The fourth proportional to 5,918.81, 8,876.25 and 2,797.13 is: 4,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.81 : 8,876.25 = 2,797.13 : x
  2. Step 2: Convert to fraction form
    5,918.81/8,876.25 = 2,797.13/x
  3. Step 3: Cross multiply
    5,918.81x = 8,876.25 × 2,797.13
  4. Step 4: Simplify right side
    5,918.81x = 24,828,047.35
  5. Step 5: Solve for x
    x = 24,828,047.35/5,918.81
  6. Step 6: Final answer
    x = 4,194.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.