Home / 3,031.97-4,184.08-1,705.79

Finding the Fourth Proportional to 3,031.97, 4,184.08 and 1,705.79

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Solution

The fourth proportional to 3,031.97, 4,184.08 and 1,705.79 is: 2,353.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.97 : 4,184.08 = 1,705.79 : x
  2. Step 2: Convert to fraction form
    3,031.97/4,184.08 = 1,705.79/x
  3. Step 3: Cross multiply
    3,031.97x = 4,184.08 × 1,705.79
  4. Step 4: Simplify right side
    3,031.97x = 7,137,168.02
  5. Step 5: Solve for x
    x = 7,137,168.02/3,031.97
  6. Step 6: Final answer
    x = 2,353.97

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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.