Home / 5,409.75-7,466.27-3,315.09

Finding the Fourth Proportional to 5,409.75, 7,466.27 and 3,315.09

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Solution

The fourth proportional to 5,409.75, 7,466.27 and 3,315.09 is: 4,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.75 : 7,466.27 = 3,315.09 : x
  2. Step 2: Convert to fraction form
    5,409.75/7,466.27 = 3,315.09/x
  3. Step 3: Cross multiply
    5,409.75x = 7,466.27 × 3,315.09
  4. Step 4: Simplify right side
    5,409.75x = 24,751,340.44
  5. Step 5: Solve for x
    x = 24,751,340.44/5,409.75
  6. Step 6: Final answer
    x = 4,575.32

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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.