Home / 6,724.77-9,279.96-3,740.52

Finding the Fourth Proportional to 6,724.77, 9,279.96 and 3,740.52

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Solution

The fourth proportional to 6,724.77, 9,279.96 and 3,740.52 is: 5,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.77 : 9,279.96 = 3,740.52 : x
  2. Step 2: Convert to fraction form
    6,724.77/9,279.96 = 3,740.52/x
  3. Step 3: Cross multiply
    6,724.77x = 9,279.96 × 3,740.52
  4. Step 4: Simplify right side
    6,724.77x = 34,711,875.98
  5. Step 5: Solve for x
    x = 34,711,875.98/6,724.77
  6. Step 6: Final answer
    x = 5,161.79

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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.