Home / 5,405.79-7,465.33-3,731.52

Finding the Fourth Proportional to 5,405.79, 7,465.33 and 3,731.52

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Solution

The fourth proportional to 5,405.79, 7,465.33 and 3,731.52 is: 5,153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.79 : 7,465.33 = 3,731.52 : x
  2. Step 2: Convert to fraction form
    5,405.79/7,465.33 = 3,731.52/x
  3. Step 3: Cross multiply
    5,405.79x = 7,465.33 × 3,731.52
  4. Step 4: Simplify right side
    5,405.79x = 27,857,028.20
  5. Step 5: Solve for x
    x = 27,857,028.20/5,405.79
  6. Step 6: Final answer
    x = 5,153.18

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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.