Home / 7,315.37-10,095.13-3,958.11

Finding the Fourth Proportional to 7,315.37, 10,095.13 and 3,958.11

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Solution

The fourth proportional to 7,315.37, 10,095.13 and 3,958.11 is: 5,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.37 : 10,095.13 = 3,958.11 : x
  2. Step 2: Convert to fraction form
    7,315.37/10,095.13 = 3,958.11/x
  3. Step 3: Cross multiply
    7,315.37x = 10,095.13 × 3,958.11
  4. Step 4: Simplify right side
    7,315.37x = 39,957,594.42
  5. Step 5: Solve for x
    x = 39,957,594.42/7,315.37
  6. Step 6: Final answer
    x = 5,462.15

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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.