Home / 5,408.28-7,461.68-3,017.87

Finding the Fourth Proportional to 5,408.28, 7,461.68 and 3,017.87

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Solution

The fourth proportional to 5,408.28, 7,461.68 and 3,017.87 is: 4,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.28 : 7,461.68 = 3,017.87 : x
  2. Step 2: Convert to fraction form
    5,408.28/7,461.68 = 3,017.87/x
  3. Step 3: Cross multiply
    5,408.28x = 7,461.68 × 3,017.87
  4. Step 4: Simplify right side
    5,408.28x = 22,518,369.11
  5. Step 5: Solve for x
    x = 22,518,369.11/5,408.28
  6. Step 6: Final answer
    x = 4,163.68

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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.