Home / 7,408.07-10,225.94-4,422.81

Finding the Fourth Proportional to 7,408.07, 10,225.94 and 4,422.81

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Solution

The fourth proportional to 7,408.07, 10,225.94 and 4,422.81 is: 6,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408.07 : 10,225.94 = 4,422.81 : x
  2. Step 2: Convert to fraction form
    7,408.07/10,225.94 = 4,422.81/x
  3. Step 3: Cross multiply
    7,408.07x = 10,225.94 × 4,422.81
  4. Step 4: Simplify right side
    7,408.07x = 45,227,405.92
  5. Step 5: Solve for x
    x = 45,227,405.92/7,408.07
  6. Step 6: Final answer
    x = 6,105.15

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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.