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Finding the Fourth Proportional to 3,501.56, 5,225.04 and 3,191.06

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Solution

The fourth proportional to 3,501.56, 5,225.04 and 3,191.06 is: 4,761.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.56 : 5,225.04 = 3,191.06 : x
  2. Step 2: Convert to fraction form
    3,501.56/5,225.04 = 3,191.06/x
  3. Step 3: Cross multiply
    3,501.56x = 5,225.04 × 3,191.06
  4. Step 4: Simplify right side
    3,501.56x = 16,673,400.19
  5. Step 5: Solve for x
    x = 16,673,400.19/3,501.56
  6. Step 6: Final answer
    x = 4,761.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.