Home / 2,299.20-3,448.74-837.72

Finding the Fourth Proportional to 2,299.20, 3,448.74 and 837.72

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Solution

The fourth proportional to 2,299.20, 3,448.74 and 837.72 is: 1,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.20 : 3,448.74 = 837.72 : x
  2. Step 2: Convert to fraction form
    2,299.20/3,448.74 = 837.72/x
  3. Step 3: Cross multiply
    2,299.20x = 3,448.74 × 837.72
  4. Step 4: Simplify right side
    2,299.20x = 2,889,078.47
  5. Step 5: Solve for x
    x = 2,889,078.47/2,299.20
  6. Step 6: Final answer
    x = 1,256.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.