Home / 2,509.65-3,761.19-1,191.69

Finding the Fourth Proportional to 2,509.65, 3,761.19 and 1,191.69

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Solution

The fourth proportional to 2,509.65, 3,761.19 and 1,191.69 is: 1,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.65 : 3,761.19 = 1,191.69 : x
  2. Step 2: Convert to fraction form
    2,509.65/3,761.19 = 1,191.69/x
  3. Step 3: Cross multiply
    2,509.65x = 3,761.19 × 1,191.69
  4. Step 4: Simplify right side
    2,509.65x = 4,482,172.51
  5. Step 5: Solve for x
    x = 4,482,172.51/2,509.65
  6. Step 6: Final answer
    x = 1,785.98

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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.