Home / 3,611.65-5,417.84-1,302.61

Finding the Fourth Proportional to 3,611.65, 5,417.84 and 1,302.61

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Solution

The fourth proportional to 3,611.65, 5,417.84 and 1,302.61 is: 1,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.65 : 5,417.84 = 1,302.61 : x
  2. Step 2: Convert to fraction form
    3,611.65/5,417.84 = 1,302.61/x
  3. Step 3: Cross multiply
    3,611.65x = 5,417.84 × 1,302.61
  4. Step 4: Simplify right side
    3,611.65x = 7,057,326.05
  5. Step 5: Solve for x
    x = 7,057,326.05/3,611.65
  6. Step 6: Final answer
    x = 1,954.04

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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.