Home / 3,775.11-5,663.48-1,178.25

Finding the Fourth Proportional to 3,775.11, 5,663.48 and 1,178.25

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Solution

The fourth proportional to 3,775.11, 5,663.48 and 1,178.25 is: 1,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.11 : 5,663.48 = 1,178.25 : x
  2. Step 2: Convert to fraction form
    3,775.11/5,663.48 = 1,178.25/x
  3. Step 3: Cross multiply
    3,775.11x = 5,663.48 × 1,178.25
  4. Step 4: Simplify right side
    3,775.11x = 6,672,989.42
  5. Step 5: Solve for x
    x = 6,672,989.42/3,775.11
  6. Step 6: Final answer
    x = 1,767.63

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1.5x scale

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.