Home / 2,335.80-3,221.46-1,747.74

Finding the Fourth Proportional to 2,335.80, 3,221.46 and 1,747.74

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Solution

The fourth proportional to 2,335.80, 3,221.46 and 1,747.74 is: 2,410.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,335.80 : 3,221.46 = 1,747.74 : x
  2. Step 2: Convert to fraction form
    2,335.80/3,221.46 = 1,747.74/x
  3. Step 3: Cross multiply
    2,335.80x = 3,221.46 × 1,747.74
  4. Step 4: Simplify right side
    2,335.80x = 5,630,274.50
  5. Step 5: Solve for x
    x = 5,630,274.50/2,335.80
  6. Step 6: Final answer
    x = 2,410.43

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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.