Home / 5,408.72-7,457.27-4,513.75

Finding the Fourth Proportional to 5,408.72, 7,457.27 and 4,513.75

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Solution

The fourth proportional to 5,408.72, 7,457.27 and 4,513.75 is: 6,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.72 : 7,457.27 = 4,513.75 : x
  2. Step 2: Convert to fraction form
    5,408.72/7,457.27 = 4,513.75/x
  3. Step 3: Cross multiply
    5,408.72x = 7,457.27 × 4,513.75
  4. Step 4: Simplify right side
    5,408.72x = 33,660,252.46
  5. Step 5: Solve for x
    x = 33,660,252.46/5,408.72
  6. Step 6: Final answer
    x = 6,223.33

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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.