Home / 5,266.15-7,901.97-2,148.46

Finding the Fourth Proportional to 5,266.15, 7,901.97 and 2,148.46

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Solution

The fourth proportional to 5,266.15, 7,901.97 and 2,148.46 is: 3,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.15 : 7,901.97 = 2,148.46 : x
  2. Step 2: Convert to fraction form
    5,266.15/7,901.97 = 2,148.46/x
  3. Step 3: Cross multiply
    5,266.15x = 7,901.97 × 2,148.46
  4. Step 4: Simplify right side
    5,266.15x = 16,977,066.47
  5. Step 5: Solve for x
    x = 16,977,066.47/5,266.15
  6. Step 6: Final answer
    x = 3,223.81

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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.