Home / 4,728.91-6,531.83-3,985.33

Finding the Fourth Proportional to 4,728.91, 6,531.83 and 3,985.33

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Solution

The fourth proportional to 4,728.91, 6,531.83 and 3,985.33 is: 5,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.91 : 6,531.83 = 3,985.33 : x
  2. Step 2: Convert to fraction form
    4,728.91/6,531.83 = 3,985.33/x
  3. Step 3: Cross multiply
    4,728.91x = 6,531.83 × 3,985.33
  4. Step 4: Simplify right side
    4,728.91x = 26,031,498.05
  5. Step 5: Solve for x
    x = 26,031,498.05/4,728.91
  6. Step 6: Final answer
    x = 5,504.76

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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.