Home / 3,759.14-5,187.59-2,187.34

Finding the Fourth Proportional to 3,759.14, 5,187.59 and 2,187.34

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Solution

The fourth proportional to 3,759.14, 5,187.59 and 2,187.34 is: 3,018.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.14 : 5,187.59 = 2,187.34 : x
  2. Step 2: Convert to fraction form
    3,759.14/5,187.59 = 2,187.34/x
  3. Step 3: Cross multiply
    3,759.14x = 5,187.59 × 2,187.34
  4. Step 4: Simplify right side
    3,759.14x = 11,347,023.11
  5. Step 5: Solve for x
    x = 11,347,023.11/3,759.14
  6. Step 6: Final answer
    x = 3,018.52

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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.