Home / 4,505.83-6,220.91-3,091.89

Finding the Fourth Proportional to 4,505.83, 6,220.91 and 3,091.89

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Solution

The fourth proportional to 4,505.83, 6,220.91 and 3,091.89 is: 4,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.83 : 6,220.91 = 3,091.89 : x
  2. Step 2: Convert to fraction form
    4,505.83/6,220.91 = 3,091.89/x
  3. Step 3: Cross multiply
    4,505.83x = 6,220.91 × 3,091.89
  4. Step 4: Simplify right side
    4,505.83x = 19,234,369.42
  5. Step 5: Solve for x
    x = 19,234,369.42/4,505.83
  6. Step 6: Final answer
    x = 4,268.77

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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.