Home / 5,775.35-7,970.88-3,791.66

Finding the Fourth Proportional to 5,775.35, 7,970.88 and 3,791.66

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Solution

The fourth proportional to 5,775.35, 7,970.88 and 3,791.66 is: 5,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.35 : 7,970.88 = 3,791.66 : x
  2. Step 2: Convert to fraction form
    5,775.35/7,970.88 = 3,791.66/x
  3. Step 3: Cross multiply
    5,775.35x = 7,970.88 × 3,791.66
  4. Step 4: Simplify right side
    5,775.35x = 30,222,866.86
  5. Step 5: Solve for x
    x = 30,222,866.86/5,775.35
  6. Step 6: Final answer
    x = 5,233.08

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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.