Home / 5,418.08-7,477.20-3,060.32

Finding the Fourth Proportional to 5,418.08, 7,477.20 and 3,060.32

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Solution

The fourth proportional to 5,418.08, 7,477.20 and 3,060.32 is: 4,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.08 : 7,477.20 = 3,060.32 : x
  2. Step 2: Convert to fraction form
    5,418.08/7,477.20 = 3,060.32/x
  3. Step 3: Cross multiply
    5,418.08x = 7,477.20 × 3,060.32
  4. Step 4: Simplify right side
    5,418.08x = 22,882,624.70
  5. Step 5: Solve for x
    x = 22,882,624.70/5,418.08
  6. Step 6: Final answer
    x = 4,223.38

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1.5x scale

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.