Home / 2,040.04-2,815.26-1,108.52

Finding the Fourth Proportional to 2,040.04, 2,815.26 and 1,108.52

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Solution

The fourth proportional to 2,040.04, 2,815.26 and 1,108.52 is: 1,529.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.04 : 2,815.26 = 1,108.52 : x
  2. Step 2: Convert to fraction form
    2,040.04/2,815.26 = 1,108.52/x
  3. Step 3: Cross multiply
    2,040.04x = 2,815.26 × 1,108.52
  4. Step 4: Simplify right side
    2,040.04x = 3,120,772.02
  5. Step 5: Solve for x
    x = 3,120,772.02/2,040.04
  6. Step 6: Final answer
    x = 1,529.76

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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.