Home / 3,250.45-4,484.73-2,070.55

Finding the Fourth Proportional to 3,250.45, 4,484.73 and 2,070.55

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Solution

The fourth proportional to 3,250.45, 4,484.73 and 2,070.55 is: 2,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.45 : 4,484.73 = 2,070.55 : x
  2. Step 2: Convert to fraction form
    3,250.45/4,484.73 = 2,070.55/x
  3. Step 3: Cross multiply
    3,250.45x = 4,484.73 × 2,070.55
  4. Step 4: Simplify right side
    3,250.45x = 9,285,857.70
  5. Step 5: Solve for x
    x = 9,285,857.70/3,250.45
  6. Step 6: Final answer
    x = 2,856.79

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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.