Home / 5,792.20-8,688.22-1,409.66

Finding the Fourth Proportional to 5,792.20, 8,688.22 and 1,409.66

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Solution

The fourth proportional to 5,792.20, 8,688.22 and 1,409.66 is: 2,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.20 : 8,688.22 = 1,409.66 : x
  2. Step 2: Convert to fraction form
    5,792.20/8,688.22 = 1,409.66/x
  3. Step 3: Cross multiply
    5,792.20x = 8,688.22 × 1,409.66
  4. Step 4: Simplify right side
    5,792.20x = 12,247,436.21
  5. Step 5: Solve for x
    x = 12,247,436.21/5,792.20
  6. Step 6: Final answer
    x = 2,114.47

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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.