Home / 5,184.16-7,771.92-2,108.32

Finding the Fourth Proportional to 5,184.16, 7,771.92 and 2,108.32

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Solution

The fourth proportional to 5,184.16, 7,771.92 and 2,108.32 is: 3,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.16 : 7,771.92 = 2,108.32 : x
  2. Step 2: Convert to fraction form
    5,184.16/7,771.92 = 2,108.32/x
  3. Step 3: Cross multiply
    5,184.16x = 7,771.92 × 2,108.32
  4. Step 4: Simplify right side
    5,184.16x = 16,385,694.37
  5. Step 5: Solve for x
    x = 16,385,694.37/5,184.16
  6. Step 6: Final answer
    x = 3,160.72

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1.5x scale

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.