Home / 7,158.54-10,732.23-3,408.39

Finding the Fourth Proportional to 7,158.54, 10,732.23 and 3,408.39

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Solution

The fourth proportional to 7,158.54, 10,732.23 and 3,408.39 is: 5,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.54 : 10,732.23 = 3,408.39 : x
  2. Step 2: Convert to fraction form
    7,158.54/10,732.23 = 3,408.39/x
  3. Step 3: Cross multiply
    7,158.54x = 10,732.23 × 3,408.39
  4. Step 4: Simplify right side
    7,158.54x = 36,579,615.53
  5. Step 5: Solve for x
    x = 36,579,615.53/7,158.54
  6. Step 6: Final answer
    x = 5,109.93

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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.