Home / 4,888.72-7,331.64-2,290.96

Finding the Fourth Proportional to 4,888.72, 7,331.64 and 2,290.96

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Solution

The fourth proportional to 4,888.72, 7,331.64 and 2,290.96 is: 3,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.72 : 7,331.64 = 2,290.96 : x
  2. Step 2: Convert to fraction form
    4,888.72/7,331.64 = 2,290.96/x
  3. Step 3: Cross multiply
    4,888.72x = 7,331.64 × 2,290.96
  4. Step 4: Simplify right side
    4,888.72x = 16,796,493.97
  5. Step 5: Solve for x
    x = 16,796,493.97/4,888.72
  6. Step 6: Final answer
    x = 3,435.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.