Home / 1,891.38-2,605.20-1,592.26

Finding the Fourth Proportional to 1,891.38, 2,605.20 and 1,592.26

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Solution

The fourth proportional to 1,891.38, 2,605.20 and 1,592.26 is: 2,193.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.38 : 2,605.20 = 1,592.26 : x
  2. Step 2: Convert to fraction form
    1,891.38/2,605.20 = 1,592.26/x
  3. Step 3: Cross multiply
    1,891.38x = 2,605.20 × 1,592.26
  4. Step 4: Simplify right side
    1,891.38x = 4,148,155.75
  5. Step 5: Solve for x
    x = 4,148,155.75/1,891.38
  6. Step 6: Final answer
    x = 2,193.19

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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.