Home / 2,040.08-2,811.48-2,002.64

Finding the Fourth Proportional to 2,040.08, 2,811.48 and 2,002.64

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Solution

The fourth proportional to 2,040.08, 2,811.48 and 2,002.64 is: 2,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.08 : 2,811.48 = 2,002.64 : x
  2. Step 2: Convert to fraction form
    2,040.08/2,811.48 = 2,002.64/x
  3. Step 3: Cross multiply
    2,040.08x = 2,811.48 × 2,002.64
  4. Step 4: Simplify right side
    2,040.08x = 5,630,382.31
  5. Step 5: Solve for x
    x = 5,630,382.31/2,040.08
  6. Step 6: Final answer
    x = 2,759.88

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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.