Home / 4,047.73-5,585.83-2,279.36

Finding the Fourth Proportional to 4,047.73, 5,585.83 and 2,279.36

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Solution

The fourth proportional to 4,047.73, 5,585.83 and 2,279.36 is: 3,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.73 : 5,585.83 = 2,279.36 : x
  2. Step 2: Convert to fraction form
    4,047.73/5,585.83 = 2,279.36/x
  3. Step 3: Cross multiply
    4,047.73x = 5,585.83 × 2,279.36
  4. Step 4: Simplify right side
    4,047.73x = 12,732,125.73
  5. Step 5: Solve for x
    x = 12,732,125.73/4,047.73
  6. Step 6: Final answer
    x = 3,145.50

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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.