Home / 5,207.48-7,807.75-2,868.59

Finding the Fourth Proportional to 5,207.48, 7,807.75 and 2,868.59

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Solution

The fourth proportional to 5,207.48, 7,807.75 and 2,868.59 is: 4,300.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.48 : 7,807.75 = 2,868.59 : x
  2. Step 2: Convert to fraction form
    5,207.48/7,807.75 = 2,868.59/x
  3. Step 3: Cross multiply
    5,207.48x = 7,807.75 × 2,868.59
  4. Step 4: Simplify right side
    5,207.48x = 22,397,194.53
  5. Step 5: Solve for x
    x = 22,397,194.53/5,207.48
  6. Step 6: Final answer
    x = 4,300.97

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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.