Home / 6,185.79-9,278.70-2,901.18

Finding the Fourth Proportional to 6,185.79, 9,278.70 and 2,901.18

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Solution

The fourth proportional to 6,185.79, 9,278.70 and 2,901.18 is: 4,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,185.79 : 9,278.70 = 2,901.18 : x
  2. Step 2: Convert to fraction form
    6,185.79/9,278.70 = 2,901.18/x
  3. Step 3: Cross multiply
    6,185.79x = 9,278.70 × 2,901.18
  4. Step 4: Simplify right side
    6,185.79x = 26,919,178.87
  5. Step 5: Solve for x
    x = 26,919,178.87/6,185.79
  6. Step 6: Final answer
    x = 4,351.78

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Half scale
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Double scale
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Similar ratio
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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.