Home / 2,952.59-4,076.53-2,279.18

Finding the Fourth Proportional to 2,952.59, 4,076.53 and 2,279.18

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Solution

The fourth proportional to 2,952.59, 4,076.53 and 2,279.18 is: 3,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.59 : 4,076.53 = 2,279.18 : x
  2. Step 2: Convert to fraction form
    2,952.59/4,076.53 = 2,279.18/x
  3. Step 3: Cross multiply
    2,952.59x = 4,076.53 × 2,279.18
  4. Step 4: Simplify right side
    2,952.59x = 9,291,119.56
  5. Step 5: Solve for x
    x = 9,291,119.56/2,952.59
  6. Step 6: Final answer
    x = 3,146.77

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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.