Home / 2,921.91-4,032.23-1,662.95

Finding the Fourth Proportional to 2,921.91, 4,032.23 and 1,662.95

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Solution

The fourth proportional to 2,921.91, 4,032.23 and 1,662.95 is: 2,294.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.91 : 4,032.23 = 1,662.95 : x
  2. Step 2: Convert to fraction form
    2,921.91/4,032.23 = 1,662.95/x
  3. Step 3: Cross multiply
    2,921.91x = 4,032.23 × 1,662.95
  4. Step 4: Simplify right side
    2,921.91x = 6,705,368.40
  5. Step 5: Solve for x
    x = 6,705,368.40/2,921.91
  6. Step 6: Final answer
    x = 2,294.86

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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.