Home / 5,071.11-7,606.98-1,561.23

Finding the Fourth Proportional to 5,071.11, 7,606.98 and 1,561.23

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Solution

The fourth proportional to 5,071.11, 7,606.98 and 1,561.23 is: 2,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,071.11 : 7,606.98 = 1,561.23 : x
  2. Step 2: Convert to fraction form
    5,071.11/7,606.98 = 1,561.23/x
  3. Step 3: Cross multiply
    5,071.11x = 7,606.98 × 1,561.23
  4. Step 4: Simplify right side
    5,071.11x = 11,876,245.39
  5. Step 5: Solve for x
    x = 11,876,245.39/5,071.11
  6. Step 6: Final answer
    x = 2,341.94

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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.