Home / 5,625.62-8,403.36-4,167.62

Finding the Fourth Proportional to 5,625.62, 8,403.36 and 4,167.62

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Solution

The fourth proportional to 5,625.62, 8,403.36 and 4,167.62 is: 6,225.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.62 : 8,403.36 = 4,167.62 : x
  2. Step 2: Convert to fraction form
    5,625.62/8,403.36 = 4,167.62/x
  3. Step 3: Cross multiply
    5,625.62x = 8,403.36 × 4,167.62
  4. Step 4: Simplify right side
    5,625.62x = 35,021,990.37
  5. Step 5: Solve for x
    x = 35,021,990.37/5,625.62
  6. Step 6: Final answer
    x = 6,225.45

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Double scale
Find fourth proportional to 5,626.62, 8,404.85 and 4,168.62
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.