Home / 5,418.64-7,474.11-3,844

Finding the Fourth Proportional to 5,418.64, 7,474.11 and 3,844

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Solution

The fourth proportional to 5,418.64, 7,474.11 and 3,844 is: 5,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.64 : 7,474.11 = 3,844 : x
  2. Step 2: Convert to fraction form
    5,418.64/7,474.11 = 3,844/x
  3. Step 3: Cross multiply
    5,418.64x = 7,474.11 × 3,844
  4. Step 4: Simplify right side
    5,418.64x = 28,730,478.84
  5. Step 5: Solve for x
    x = 28,730,478.84/5,418.64
  6. Step 6: Final answer
    x = 5,302.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.