Home / 7,160.51-10,736.44-3,211.05

Finding the Fourth Proportional to 7,160.51, 10,736.44 and 3,211.05

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Solution

The fourth proportional to 7,160.51, 10,736.44 and 3,211.05 is: 4,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.51 : 10,736.44 = 3,211.05 : x
  2. Step 2: Convert to fraction form
    7,160.51/10,736.44 = 3,211.05/x
  3. Step 3: Cross multiply
    7,160.51x = 10,736.44 × 3,211.05
  4. Step 4: Simplify right side
    7,160.51x = 34,475,191.98
  5. Step 5: Solve for x
    x = 34,475,191.98/7,160.51
  6. Step 6: Final answer
    x = 4,814.63

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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.