Home / 4,782.08-7,168-3,409.92

Finding the Fourth Proportional to 4,782.08, 7,168 and 3,409.92

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Solution

The fourth proportional to 4,782.08, 7,168 and 3,409.92 is: 5,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.08 : 7,168 = 3,409.92 : x
  2. Step 2: Convert to fraction form
    4,782.08/7,168 = 3,409.92/x
  3. Step 3: Cross multiply
    4,782.08x = 7,168 × 3,409.92
  4. Step 4: Simplify right side
    4,782.08x = 24,442,306.56
  5. Step 5: Solve for x
    x = 24,442,306.56/4,782.08
  6. Step 6: Final answer
    x = 5,111.23

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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.