Home / 2,660.88-3,675.60-2,412.48

Finding the Fourth Proportional to 2,660.88, 3,675.60 and 2,412.48

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Solution

The fourth proportional to 2,660.88, 3,675.60 and 2,412.48 is: 3,332.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.88 : 3,675.60 = 2,412.48 : x
  2. Step 2: Convert to fraction form
    2,660.88/3,675.60 = 2,412.48/x
  3. Step 3: Cross multiply
    2,660.88x = 3,675.60 × 2,412.48
  4. Step 4: Simplify right side
    2,660.88x = 8,867,311.49
  5. Step 5: Solve for x
    x = 8,867,311.49/2,660.88
  6. Step 6: Final answer
    x = 3,332.47

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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.