Home / 2,695.14-3,719.49-1,647.39

Finding the Fourth Proportional to 2,695.14, 3,719.49 and 1,647.39

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Solution

The fourth proportional to 2,695.14, 3,719.49 and 1,647.39 is: 2,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,695.14 : 3,719.49 = 1,647.39 : x
  2. Step 2: Convert to fraction form
    2,695.14/3,719.49 = 1,647.39/x
  3. Step 3: Cross multiply
    2,695.14x = 3,719.49 × 1,647.39
  4. Step 4: Simplify right side
    2,695.14x = 6,127,450.63
  5. Step 5: Solve for x
    x = 6,127,450.63/2,695.14
  6. Step 6: Final answer
    x = 2,273.52

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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.