Home / 7,035.68-10,553.12-2,105.36

Finding the Fourth Proportional to 7,035.68, 10,553.12 and 2,105.36

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Solution

The fourth proportional to 7,035.68, 10,553.12 and 2,105.36 is: 3,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.68 : 10,553.12 = 2,105.36 : x
  2. Step 2: Convert to fraction form
    7,035.68/10,553.12 = 2,105.36/x
  3. Step 3: Cross multiply
    7,035.68x = 10,553.12 × 2,105.36
  4. Step 4: Simplify right side
    7,035.68x = 22,218,116.72
  5. Step 5: Solve for x
    x = 22,218,116.72/7,035.68
  6. Step 6: Final answer
    x = 3,157.92

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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.