Home / 5,192.96-7,792.32-3,113.60

Finding the Fourth Proportional to 5,192.96, 7,792.32 and 3,113.60

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Solution

The fourth proportional to 5,192.96, 7,792.32 and 3,113.60 is: 4,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.96 : 7,792.32 = 3,113.60 : x
  2. Step 2: Convert to fraction form
    5,192.96/7,792.32 = 3,113.60/x
  3. Step 3: Cross multiply
    5,192.96x = 7,792.32 × 3,113.60
  4. Step 4: Simplify right side
    5,192.96x = 24,262,167.55
  5. Step 5: Solve for x
    x = 24,262,167.55/5,192.96
  6. Step 6: Final answer
    x = 4,672.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.