Home / 7,850.31-10,822.75-5,927.73

Finding the Fourth Proportional to 7,850.31, 10,822.75 and 5,927.73

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Solution

The fourth proportional to 7,850.31, 10,822.75 and 5,927.73 is: 8,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.31 : 10,822.75 = 5,927.73 : x
  2. Step 2: Convert to fraction form
    7,850.31/10,822.75 = 5,927.73/x
  3. Step 3: Cross multiply
    7,850.31x = 10,822.75 × 5,927.73
  4. Step 4: Simplify right side
    7,850.31x = 64,154,339.86
  5. Step 5: Solve for x
    x = 64,154,339.86/7,850.31
  6. Step 6: Final answer
    x = 8,172.20

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1.5x scale

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.