Home / 2,605.44-3,595.68-1,819.20

Finding the Fourth Proportional to 2,605.44, 3,595.68 and 1,819.20

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Solution

The fourth proportional to 2,605.44, 3,595.68 and 1,819.20 is: 2,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605.44 : 3,595.68 = 1,819.20 : x
  2. Step 2: Convert to fraction form
    2,605.44/3,595.68 = 1,819.20/x
  3. Step 3: Cross multiply
    2,605.44x = 3,595.68 × 1,819.20
  4. Step 4: Simplify right side
    2,605.44x = 6,541,261.06
  5. Step 5: Solve for x
    x = 6,541,261.06/2,605.44
  6. Step 6: Final answer
    x = 2,510.62

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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.