Home / 4,083.80-6,125.27-1,312.46

Finding the Fourth Proportional to 4,083.80, 6,125.27 and 1,312.46

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Solution

The fourth proportional to 4,083.80, 6,125.27 and 1,312.46 is: 1,968.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.80 : 6,125.27 = 1,312.46 : x
  2. Step 2: Convert to fraction form
    4,083.80/6,125.27 = 1,312.46/x
  3. Step 3: Cross multiply
    4,083.80x = 6,125.27 × 1,312.46
  4. Step 4: Simplify right side
    4,083.80x = 8,039,134.68
  5. Step 5: Solve for x
    x = 8,039,134.68/4,083.80
  6. Step 6: Final answer
    x = 1,968.55

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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.