Home / 5,485.54-7,571.98-3,248.20

Finding the Fourth Proportional to 5,485.54, 7,571.98 and 3,248.20

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Solution

The fourth proportional to 5,485.54, 7,571.98 and 3,248.20 is: 4,483.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.54 : 7,571.98 = 3,248.20 : x
  2. Step 2: Convert to fraction form
    5,485.54/7,571.98 = 3,248.20/x
  3. Step 3: Cross multiply
    5,485.54x = 7,571.98 × 3,248.20
  4. Step 4: Simplify right side
    5,485.54x = 24,595,305.44
  5. Step 5: Solve for x
    x = 24,595,305.44/5,485.54
  6. Step 6: Final answer
    x = 4,483.66

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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.