Home / 5,792.31-8,688.38-1,409.76

Finding the Fourth Proportional to 5,792.31, 8,688.38 and 1,409.76

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Solution

The fourth proportional to 5,792.31, 8,688.38 and 1,409.76 is: 2,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.31 : 8,688.38 = 1,409.76 : x
  2. Step 2: Convert to fraction form
    5,792.31/8,688.38 = 1,409.76/x
  3. Step 3: Cross multiply
    5,792.31x = 8,688.38 × 1,409.76
  4. Step 4: Simplify right side
    5,792.31x = 12,248,523.54
  5. Step 5: Solve for x
    x = 12,248,523.54/5,792.31
  6. Step 6: Final answer
    x = 2,114.62

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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.