Home / 7,347.78-11,024.70-3,187.02

Finding the Fourth Proportional to 7,347.78, 11,024.70 and 3,187.02

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Solution

The fourth proportional to 7,347.78, 11,024.70 and 3,187.02 is: 4,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.78 : 11,024.70 = 3,187.02 : x
  2. Step 2: Convert to fraction form
    7,347.78/11,024.70 = 3,187.02/x
  3. Step 3: Cross multiply
    7,347.78x = 11,024.70 × 3,187.02
  4. Step 4: Simplify right side
    7,347.78x = 35,135,939.39
  5. Step 5: Solve for x
    x = 35,135,939.39/7,347.78
  6. Step 6: Final answer
    x = 4,781.84

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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.