Home / 5,408.37-7,463.75-3,312.09

Finding the Fourth Proportional to 5,408.37, 7,463.75 and 3,312.09

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Solution

The fourth proportional to 5,408.37, 7,463.75 and 3,312.09 is: 4,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.37 : 7,463.75 = 3,312.09 : x
  2. Step 2: Convert to fraction form
    5,408.37/7,463.75 = 3,312.09/x
  3. Step 3: Cross multiply
    5,408.37x = 7,463.75 × 3,312.09
  4. Step 4: Simplify right side
    5,408.37x = 24,720,595.18
  5. Step 5: Solve for x
    x = 24,720,595.18/5,408.37
  6. Step 6: Final answer
    x = 4,570.80

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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.