Home / 5,680.68-7,838.90-3,322.60

Finding the Fourth Proportional to 5,680.68, 7,838.90 and 3,322.60

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Solution

The fourth proportional to 5,680.68, 7,838.90 and 3,322.60 is: 4,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.68 : 7,838.90 = 3,322.60 : x
  2. Step 2: Convert to fraction form
    5,680.68/7,838.90 = 3,322.60/x
  3. Step 3: Cross multiply
    5,680.68x = 7,838.90 × 3,322.60
  4. Step 4: Simplify right side
    5,680.68x = 26,045,529.14
  5. Step 5: Solve for x
    x = 26,045,529.14/5,680.68
  6. Step 6: Final answer
    x = 4,584.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.