Home / 2,922.12-4,025.68-2,036.32

Finding the Fourth Proportional to 2,922.12, 4,025.68 and 2,036.32

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Solution

The fourth proportional to 2,922.12, 4,025.68 and 2,036.32 is: 2,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.12 : 4,025.68 = 2,036.32 : x
  2. Step 2: Convert to fraction form
    2,922.12/4,025.68 = 2,036.32/x
  3. Step 3: Cross multiply
    2,922.12x = 4,025.68 × 2,036.32
  4. Step 4: Simplify right side
    2,922.12x = 8,197,572.70
  5. Step 5: Solve for x
    x = 8,197,572.70/2,922.12
  6. Step 6: Final answer
    x = 2,805.35

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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.