Home / 5,248.37-7,243.26-3,919.77

Finding the Fourth Proportional to 5,248.37, 7,243.26 and 3,919.77

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Solution

The fourth proportional to 5,248.37, 7,243.26 and 3,919.77 is: 5,409.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.37 : 7,243.26 = 3,919.77 : x
  2. Step 2: Convert to fraction form
    5,248.37/7,243.26 = 3,919.77/x
  3. Step 3: Cross multiply
    5,248.37x = 7,243.26 × 3,919.77
  4. Step 4: Simplify right side
    5,248.37x = 28,391,913.25
  5. Step 5: Solve for x
    x = 28,391,913.25/5,248.37
  6. Step 6: Final answer
    x = 5,409.66

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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.