Home / 2,851.50-4,299.27-2,281.26

Finding the Fourth Proportional to 2,851.50, 4,299.27 and 2,281.26

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Solution

The fourth proportional to 2,851.50, 4,299.27 and 2,281.26 is: 3,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.50 : 4,299.27 = 2,281.26 : x
  2. Step 2: Convert to fraction form
    2,851.50/4,299.27 = 2,281.26/x
  3. Step 3: Cross multiply
    2,851.50x = 4,299.27 × 2,281.26
  4. Step 4: Simplify right side
    2,851.50x = 9,807,752.68
  5. Step 5: Solve for x
    x = 9,807,752.68/2,851.50
  6. Step 6: Final answer
    x = 3,439.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.