Home / 2,895.78-3,996.24-1,700.85

Finding the Fourth Proportional to 2,895.78, 3,996.24 and 1,700.85

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Solution

The fourth proportional to 2,895.78, 3,996.24 and 1,700.85 is: 2,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.78 : 3,996.24 = 1,700.85 : x
  2. Step 2: Convert to fraction form
    2,895.78/3,996.24 = 1,700.85/x
  3. Step 3: Cross multiply
    2,895.78x = 3,996.24 × 1,700.85
  4. Step 4: Simplify right side
    2,895.78x = 6,797,004.80
  5. Step 5: Solve for x
    x = 6,797,004.80/2,895.78
  6. Step 6: Final answer
    x = 2,347.21

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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.