Home / 5,370.18-7,408.05-3,376.98

Finding the Fourth Proportional to 5,370.18, 7,408.05 and 3,376.98

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Solution

The fourth proportional to 5,370.18, 7,408.05 and 3,376.98 is: 4,658.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.18 : 7,408.05 = 3,376.98 : x
  2. Step 2: Convert to fraction form
    5,370.18/7,408.05 = 3,376.98/x
  3. Step 3: Cross multiply
    5,370.18x = 7,408.05 × 3,376.98
  4. Step 4: Simplify right side
    5,370.18x = 25,016,836.69
  5. Step 5: Solve for x
    x = 25,016,836.69/5,370.18
  6. Step 6: Final answer
    x = 4,658.47

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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.