Home / 5,195.48-7,171.50-3,205.16

Finding the Fourth Proportional to 5,195.48, 7,171.50 and 3,205.16

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Solution

The fourth proportional to 5,195.48, 7,171.50 and 3,205.16 is: 4,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.48 : 7,171.50 = 3,205.16 : x
  2. Step 2: Convert to fraction form
    5,195.48/7,171.50 = 3,205.16/x
  3. Step 3: Cross multiply
    5,195.48x = 7,171.50 × 3,205.16
  4. Step 4: Simplify right side
    5,195.48x = 22,985,804.94
  5. Step 5: Solve for x
    x = 22,985,804.94/5,195.48
  6. Step 6: Final answer
    x = 4,424.19

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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.