Home / 2,675.19-4,007.80-2,239.25

Finding the Fourth Proportional to 2,675.19, 4,007.80 and 2,239.25

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Solution

The fourth proportional to 2,675.19, 4,007.80 and 2,239.25 is: 3,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.19 : 4,007.80 = 2,239.25 : x
  2. Step 2: Convert to fraction form
    2,675.19/4,007.80 = 2,239.25/x
  3. Step 3: Cross multiply
    2,675.19x = 4,007.80 × 2,239.25
  4. Step 4: Simplify right side
    2,675.19x = 8,974,436.31
  5. Step 5: Solve for x
    x = 8,974,436.31/2,675.19
  6. Step 6: Final answer
    x = 3,354.69

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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.