Home / 4,124.36-5,685-3,238.76

Finding the Fourth Proportional to 4,124.36, 5,685 and 3,238.76

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Solution

The fourth proportional to 4,124.36, 5,685 and 3,238.76 is: 4,464.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.36 : 5,685 = 3,238.76 : x
  2. Step 2: Convert to fraction form
    4,124.36/5,685 = 3,238.76/x
  3. Step 3: Cross multiply
    4,124.36x = 5,685 × 3,238.76
  4. Step 4: Simplify right side
    4,124.36x = 18,412,350.60
  5. Step 5: Solve for x
    x = 18,412,350.60/4,124.36
  6. Step 6: Final answer
    x = 4,464.29

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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.