Home / 2,472.08-3,709.56-933.20

Finding the Fourth Proportional to 2,472.08, 3,709.56 and 933.20

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Solution

The fourth proportional to 2,472.08, 3,709.56 and 933.20 is: 1,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.08 : 3,709.56 = 933.20 : x
  2. Step 2: Convert to fraction form
    2,472.08/3,709.56 = 933.20/x
  3. Step 3: Cross multiply
    2,472.08x = 3,709.56 × 933.20
  4. Step 4: Simplify right side
    2,472.08x = 3,461,761.39
  5. Step 5: Solve for x
    x = 3,461,761.39/2,472.08
  6. Step 6: Final answer
    x = 1,400.34

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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.