Home / 3,049.01-4,205.45-1,984.81

Finding the Fourth Proportional to 3,049.01, 4,205.45 and 1,984.81

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Solution

The fourth proportional to 3,049.01, 4,205.45 and 1,984.81 is: 2,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.01 : 4,205.45 = 1,984.81 : x
  2. Step 2: Convert to fraction form
    3,049.01/4,205.45 = 1,984.81/x
  3. Step 3: Cross multiply
    3,049.01x = 4,205.45 × 1,984.81
  4. Step 4: Simplify right side
    3,049.01x = 8,347,009.29
  5. Step 5: Solve for x
    x = 8,347,009.29/3,049.01
  6. Step 6: Final answer
    x = 2,737.62

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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.