Home / 5,943.06-8,191.80-5,278.86

Finding the Fourth Proportional to 5,943.06, 8,191.80 and 5,278.86

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Solution

The fourth proportional to 5,943.06, 8,191.80 and 5,278.86 is: 7,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,943.06 : 8,191.80 = 5,278.86 : x
  2. Step 2: Convert to fraction form
    5,943.06/8,191.80 = 5,278.86/x
  3. Step 3: Cross multiply
    5,943.06x = 8,191.80 × 5,278.86
  4. Step 4: Simplify right side
    5,943.06x = 43,243,365.35
  5. Step 5: Solve for x
    x = 43,243,365.35/5,943.06
  6. Step 6: Final answer
    x = 7,276.28

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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.