Home / 3,586.19-4,948.71-1,992.74

Finding the Fourth Proportional to 3,586.19, 4,948.71 and 1,992.74

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Solution

The fourth proportional to 3,586.19, 4,948.71 and 1,992.74 is: 2,749.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.19 : 4,948.71 = 1,992.74 : x
  2. Step 2: Convert to fraction form
    3,586.19/4,948.71 = 1,992.74/x
  3. Step 3: Cross multiply
    3,586.19x = 4,948.71 × 1,992.74
  4. Step 4: Simplify right side
    3,586.19x = 9,861,467.62
  5. Step 5: Solve for x
    x = 9,861,467.62/3,586.19
  6. Step 6: Final answer
    x = 2,749.85

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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.