Home / 6,288.89-8,678.25-3,771.23

Finding the Fourth Proportional to 6,288.89, 8,678.25 and 3,771.23

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Solution

The fourth proportional to 6,288.89, 8,678.25 and 3,771.23 is: 5,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.89 : 8,678.25 = 3,771.23 : x
  2. Step 2: Convert to fraction form
    6,288.89/8,678.25 = 3,771.23/x
  3. Step 3: Cross multiply
    6,288.89x = 8,678.25 × 3,771.23
  4. Step 4: Simplify right side
    6,288.89x = 32,727,633.36
  5. Step 5: Solve for x
    x = 32,727,633.36/6,288.89
  6. Step 6: Final answer
    x = 5,204.04

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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.