Home / 5,081.66-7,623.01-1,384.18

Finding the Fourth Proportional to 5,081.66, 7,623.01 and 1,384.18

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Solution

The fourth proportional to 5,081.66, 7,623.01 and 1,384.18 is: 2,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.66 : 7,623.01 = 1,384.18 : x
  2. Step 2: Convert to fraction form
    5,081.66/7,623.01 = 1,384.18/x
  3. Step 3: Cross multiply
    5,081.66x = 7,623.01 × 1,384.18
  4. Step 4: Simplify right side
    5,081.66x = 10,551,595.46
  5. Step 5: Solve for x
    x = 10,551,595.46/5,081.66
  6. Step 6: Final answer
    x = 2,076.41

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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.