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Finding the Fourth Proportional to 2,595.78, 3,892.17 and 1,775.05

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Solution

The fourth proportional to 2,595.78, 3,892.17 and 1,775.05 is: 2,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,595.78 : 3,892.17 = 1,775.05 : x
  2. Step 2: Convert to fraction form
    2,595.78/3,892.17 = 1,775.05/x
  3. Step 3: Cross multiply
    2,595.78x = 3,892.17 × 1,775.05
  4. Step 4: Simplify right side
    2,595.78x = 6,908,776.90
  5. Step 5: Solve for x
    x = 6,908,776.90/2,595.78
  6. Step 6: Final answer
    x = 2,661.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.