Home / 7,409.45-11,108.70-2,727.02

Finding the Fourth Proportional to 7,409.45, 11,108.70 and 2,727.02

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Solution

The fourth proportional to 7,409.45, 11,108.70 and 2,727.02 is: 4,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.45 : 11,108.70 = 2,727.02 : x
  2. Step 2: Convert to fraction form
    7,409.45/11,108.70 = 2,727.02/x
  3. Step 3: Cross multiply
    7,409.45x = 11,108.70 × 2,727.02
  4. Step 4: Simplify right side
    7,409.45x = 30,293,591.53
  5. Step 5: Solve for x
    x = 30,293,591.53/7,409.45
  6. Step 6: Final answer
    x = 4,088.51

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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.