Home / 3,225.08-4,449.02-2,105.50

Finding the Fourth Proportional to 3,225.08, 4,449.02 and 2,105.50

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Solution

The fourth proportional to 3,225.08, 4,449.02 and 2,105.50 is: 2,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.08 : 4,449.02 = 2,105.50 : x
  2. Step 2: Convert to fraction form
    3,225.08/4,449.02 = 2,105.50/x
  3. Step 3: Cross multiply
    3,225.08x = 4,449.02 × 2,105.50
  4. Step 4: Simplify right side
    3,225.08x = 9,367,411.61
  5. Step 5: Solve for x
    x = 9,367,411.61/3,225.08
  6. Step 6: Final answer
    x = 2,904.55

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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.