Home / 5,696.38-7,858.74-3,457.42

Finding the Fourth Proportional to 5,696.38, 7,858.74 and 3,457.42

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Solution

The fourth proportional to 5,696.38, 7,858.74 and 3,457.42 is: 4,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.38 : 7,858.74 = 3,457.42 : x
  2. Step 2: Convert to fraction form
    5,696.38/7,858.74 = 3,457.42/x
  3. Step 3: Cross multiply
    5,696.38x = 7,858.74 × 3,457.42
  4. Step 4: Simplify right side
    5,696.38x = 27,170,964.85
  5. Step 5: Solve for x
    x = 27,170,964.85/5,696.38
  6. Step 6: Final answer
    x = 4,769.87

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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.