Home / 5,408.35-7,463.59-3,312.47

Finding the Fourth Proportional to 5,408.35, 7,463.59 and 3,312.47

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Solution

The fourth proportional to 5,408.35, 7,463.59 and 3,312.47 is: 4,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.35 : 7,463.59 = 3,312.47 : x
  2. Step 2: Convert to fraction form
    5,408.35/7,463.59 = 3,312.47/x
  3. Step 3: Cross multiply
    5,408.35x = 7,463.59 × 3,312.47
  4. Step 4: Simplify right side
    5,408.35x = 24,722,928.35
  5. Step 5: Solve for x
    x = 24,722,928.35/5,408.35
  6. Step 6: Final answer
    x = 4,571.25

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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.