Home / 4,724.28-7,087.38-1,648.44

Finding the Fourth Proportional to 4,724.28, 7,087.38 and 1,648.44

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Solution

The fourth proportional to 4,724.28, 7,087.38 and 1,648.44 is: 2,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.28 : 7,087.38 = 1,648.44 : x
  2. Step 2: Convert to fraction form
    4,724.28/7,087.38 = 1,648.44/x
  3. Step 3: Cross multiply
    4,724.28x = 7,087.38 × 1,648.44
  4. Step 4: Simplify right side
    4,724.28x = 11,683,120.69
  5. Step 5: Solve for x
    x = 11,683,120.69/4,724.28
  6. Step 6: Final answer
    x = 2,472.99

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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.