Home / 6,772.15-9,345.40-3,788.02

Finding the Fourth Proportional to 6,772.15, 9,345.40 and 3,788.02

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Solution

The fourth proportional to 6,772.15, 9,345.40 and 3,788.02 is: 5,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772.15 : 9,345.40 = 3,788.02 : x
  2. Step 2: Convert to fraction form
    6,772.15/9,345.40 = 3,788.02/x
  3. Step 3: Cross multiply
    6,772.15x = 9,345.40 × 3,788.02
  4. Step 4: Simplify right side
    6,772.15x = 35,400,562.11
  5. Step 5: Solve for x
    x = 35,400,562.11/6,772.15
  6. Step 6: Final answer
    x = 5,227.37

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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.