Home / 6,607.21-9,118.26-3,954.13

Finding the Fourth Proportional to 6,607.21, 9,118.26 and 3,954.13

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Solution

The fourth proportional to 6,607.21, 9,118.26 and 3,954.13 is: 5,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.21 : 9,118.26 = 3,954.13 : x
  2. Step 2: Convert to fraction form
    6,607.21/9,118.26 = 3,954.13/x
  3. Step 3: Cross multiply
    6,607.21x = 9,118.26 × 3,954.13
  4. Step 4: Simplify right side
    6,607.21x = 36,054,785.41
  5. Step 5: Solve for x
    x = 36,054,785.41/6,607.21
  6. Step 6: Final answer
    x = 5,456.89

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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.