Home / 7,374.60-11,058.75-3,423.42

Finding the Fourth Proportional to 7,374.60, 11,058.75 and 3,423.42

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Solution

The fourth proportional to 7,374.60, 11,058.75 and 3,423.42 is: 5,133.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.60 : 11,058.75 = 3,423.42 : x
  2. Step 2: Convert to fraction form
    7,374.60/11,058.75 = 3,423.42/x
  3. Step 3: Cross multiply
    7,374.60x = 11,058.75 × 3,423.42
  4. Step 4: Simplify right side
    7,374.60x = 37,858,745.93
  5. Step 5: Solve for x
    x = 37,858,745.93/7,374.60
  6. Step 6: Final answer
    x = 5,133.67

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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.