Home / 5,738.64-7,908.88-4,479.04

Finding the Fourth Proportional to 5,738.64, 7,908.88 and 4,479.04

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Solution

The fourth proportional to 5,738.64, 7,908.88 and 4,479.04 is: 6,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.64 : 7,908.88 = 4,479.04 : x
  2. Step 2: Convert to fraction form
    5,738.64/7,908.88 = 4,479.04/x
  3. Step 3: Cross multiply
    5,738.64x = 7,908.88 × 4,479.04
  4. Step 4: Simplify right side
    5,738.64x = 35,424,189.88
  5. Step 5: Solve for x
    x = 35,424,189.88/5,738.64
  6. Step 6: Final answer
    x = 6,172.92

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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.