Home / 5,680.16-8,519.12-2,908.32

Finding the Fourth Proportional to 5,680.16, 8,519.12 and 2,908.32

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Solution

The fourth proportional to 5,680.16, 8,519.12 and 2,908.32 is: 4,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.16 : 8,519.12 = 2,908.32 : x
  2. Step 2: Convert to fraction form
    5,680.16/8,519.12 = 2,908.32/x
  3. Step 3: Cross multiply
    5,680.16x = 8,519.12 × 2,908.32
  4. Step 4: Simplify right side
    5,680.16x = 24,776,327.08
  5. Step 5: Solve for x
    x = 24,776,327.08/5,680.16
  6. Step 6: Final answer
    x = 4,361.91

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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.