Home / 4,728.16-6,524.88-2,865.12

Finding the Fourth Proportional to 4,728.16, 6,524.88 and 2,865.12

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Solution

The fourth proportional to 4,728.16, 6,524.88 and 2,865.12 is: 3,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.16 : 6,524.88 = 2,865.12 : x
  2. Step 2: Convert to fraction form
    4,728.16/6,524.88 = 2,865.12/x
  3. Step 3: Cross multiply
    4,728.16x = 6,524.88 × 2,865.12
  4. Step 4: Simplify right side
    4,728.16x = 18,694,564.19
  5. Step 5: Solve for x
    x = 18,694,564.19/4,728.16
  6. Step 6: Final answer
    x = 3,953.88

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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.