Home / 2,922.27-4,032.95-2,125.83

Finding the Fourth Proportional to 2,922.27, 4,032.95 and 2,125.83

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Solution

The fourth proportional to 2,922.27, 4,032.95 and 2,125.83 is: 2,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.27 : 4,032.95 = 2,125.83 : x
  2. Step 2: Convert to fraction form
    2,922.27/4,032.95 = 2,125.83/x
  3. Step 3: Cross multiply
    2,922.27x = 4,032.95 × 2,125.83
  4. Step 4: Simplify right side
    2,922.27x = 8,573,366.10
  5. Step 5: Solve for x
    x = 8,573,366.10/2,922.27
  6. Step 6: Final answer
    x = 2,933.80

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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.