Home / 5,072.56-7,606.51-1,561.34

Finding the Fourth Proportional to 5,072.56, 7,606.51 and 1,561.34

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Solution

The fourth proportional to 5,072.56, 7,606.51 and 1,561.34 is: 2,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.56 : 7,606.51 = 1,561.34 : x
  2. Step 2: Convert to fraction form
    5,072.56/7,606.51 = 1,561.34/x
  3. Step 3: Cross multiply
    5,072.56x = 7,606.51 × 1,561.34
  4. Step 4: Simplify right side
    5,072.56x = 11,876,363.44
  5. Step 5: Solve for x
    x = 11,876,363.44/5,072.56
  6. Step 6: Final answer
    x = 2,341.30

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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.