Home / 6,724.52-9,278.77-3,740.35

Finding the Fourth Proportional to 6,724.52, 9,278.77 and 3,740.35

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Solution

The fourth proportional to 6,724.52, 9,278.77 and 3,740.35 is: 5,161.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.52 : 9,278.77 = 3,740.35 : x
  2. Step 2: Convert to fraction form
    6,724.52/9,278.77 = 3,740.35/x
  3. Step 3: Cross multiply
    6,724.52x = 9,278.77 × 3,740.35
  4. Step 4: Simplify right side
    6,724.52x = 34,705,791.62
  5. Step 5: Solve for x
    x = 34,705,791.62/6,724.52
  6. Step 6: Final answer
    x = 5,161.08

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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.