Home / 2,199.15-3,280.20-2,046.06

Finding the Fourth Proportional to 2,199.15, 3,280.20 and 2,046.06

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Solution

The fourth proportional to 2,199.15, 3,280.20 and 2,046.06 is: 3,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.15 : 3,280.20 = 2,046.06 : x
  2. Step 2: Convert to fraction form
    2,199.15/3,280.20 = 2,046.06/x
  3. Step 3: Cross multiply
    2,199.15x = 3,280.20 × 2,046.06
  4. Step 4: Simplify right side
    2,199.15x = 6,711,478.34
  5. Step 5: Solve for x
    x = 6,711,478.34/2,199.15
  6. Step 6: Final answer
    x = 3,051.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.