Home / 2,083.24-3,124.86-1,043.20

Finding the Fourth Proportional to 2,083.24, 3,124.86 and 1,043.20

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Solution

The fourth proportional to 2,083.24, 3,124.86 and 1,043.20 is: 1,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.24 : 3,124.86 = 1,043.20 : x
  2. Step 2: Convert to fraction form
    2,083.24/3,124.86 = 1,043.20/x
  3. Step 3: Cross multiply
    2,083.24x = 3,124.86 × 1,043.20
  4. Step 4: Simplify right side
    2,083.24x = 3,259,853.95
  5. Step 5: Solve for x
    x = 3,259,853.95/2,083.24
  6. Step 6: Final answer
    x = 1,564.80

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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.