Home / 3,585.11-4,946.91-2,012.90

Finding the Fourth Proportional to 3,585.11, 4,946.91 and 2,012.90

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Solution

The fourth proportional to 3,585.11, 4,946.91 and 2,012.90 is: 2,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.11 : 4,946.91 = 2,012.90 : x
  2. Step 2: Convert to fraction form
    3,585.11/4,946.91 = 2,012.90/x
  3. Step 3: Cross multiply
    3,585.11x = 4,946.91 × 2,012.90
  4. Step 4: Simplify right side
    3,585.11x = 9,957,627.80
  5. Step 5: Solve for x
    x = 9,957,627.80/3,585.11
  6. Step 6: Final answer
    x = 2,777.50

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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.