Home / 5,335.28-7,362.68-2,977.42

Finding the Fourth Proportional to 5,335.28, 7,362.68 and 2,977.42

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Solution

The fourth proportional to 5,335.28, 7,362.68 and 2,977.42 is: 4,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.28 : 7,362.68 = 2,977.42 : x
  2. Step 2: Convert to fraction form
    5,335.28/7,362.68 = 2,977.42/x
  3. Step 3: Cross multiply
    5,335.28x = 7,362.68 × 2,977.42
  4. Step 4: Simplify right side
    5,335.28x = 21,921,790.69
  5. Step 5: Solve for x
    x = 21,921,790.69/5,335.28
  6. Step 6: Final answer
    x = 4,108.84

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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.