Home / 7,750.48-11,621.76-3,795.84

Finding the Fourth Proportional to 7,750.48, 11,621.76 and 3,795.84

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Solution

The fourth proportional to 7,750.48, 11,621.76 and 3,795.84 is: 5,691.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.48 : 11,621.76 = 3,795.84 : x
  2. Step 2: Convert to fraction form
    7,750.48/11,621.76 = 3,795.84/x
  3. Step 3: Cross multiply
    7,750.48x = 11,621.76 × 3,795.84
  4. Step 4: Simplify right side
    7,750.48x = 44,114,341.48
  5. Step 5: Solve for x
    x = 44,114,341.48/7,750.48
  6. Step 6: Final answer
    x = 5,691.82

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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.