Home / 2,577.20-3,554.70-1,819.76

Finding the Fourth Proportional to 2,577.20, 3,554.70 and 1,819.76

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Solution

The fourth proportional to 2,577.20, 3,554.70 and 1,819.76 is: 2,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.20 : 3,554.70 = 1,819.76 : x
  2. Step 2: Convert to fraction form
    2,577.20/3,554.70 = 1,819.76/x
  3. Step 3: Cross multiply
    2,577.20x = 3,554.70 × 1,819.76
  4. Step 4: Simplify right side
    2,577.20x = 6,468,700.87
  5. Step 5: Solve for x
    x = 6,468,700.87/2,577.20
  6. Step 6: Final answer
    x = 2,509.97

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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.