Home / 7,192.28-10,790.16-3,680.84

Finding the Fourth Proportional to 7,192.28, 10,790.16 and 3,680.84

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Solution

The fourth proportional to 7,192.28, 10,790.16 and 3,680.84 is: 5,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.28 : 10,790.16 = 3,680.84 : x
  2. Step 2: Convert to fraction form
    7,192.28/10,790.16 = 3,680.84/x
  3. Step 3: Cross multiply
    7,192.28x = 10,790.16 × 3,680.84
  4. Step 4: Simplify right side
    7,192.28x = 39,716,852.53
  5. Step 5: Solve for x
    x = 39,716,852.53/7,192.28
  6. Step 6: Final answer
    x = 5,522.15

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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.