Home / 6,607.40-9,904.80-2,222.60

Finding the Fourth Proportional to 6,607.40, 9,904.80 and 2,222.60

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Solution

The fourth proportional to 6,607.40, 9,904.80 and 2,222.60 is: 3,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.40 : 9,904.80 = 2,222.60 : x
  2. Step 2: Convert to fraction form
    6,607.40/9,904.80 = 2,222.60/x
  3. Step 3: Cross multiply
    6,607.40x = 9,904.80 × 2,222.60
  4. Step 4: Simplify right side
    6,607.40x = 22,014,408.48
  5. Step 5: Solve for x
    x = 22,014,408.48/6,607.40
  6. Step 6: Final answer
    x = 3,331.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.