Home / 5,576.28-7,693.26-3,900.36

Finding the Fourth Proportional to 5,576.28, 7,693.26 and 3,900.36

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Solution

The fourth proportional to 5,576.28, 7,693.26 and 3,900.36 is: 5,381.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.28 : 7,693.26 = 3,900.36 : x
  2. Step 2: Convert to fraction form
    5,576.28/7,693.26 = 3,900.36/x
  3. Step 3: Cross multiply
    5,576.28x = 7,693.26 × 3,900.36
  4. Step 4: Simplify right side
    5,576.28x = 30,006,483.57
  5. Step 5: Solve for x
    x = 30,006,483.57/5,576.28
  6. Step 6: Final answer
    x = 5,381.09

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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.