Home / 5,492.47-8,235.96-1,792.78

Finding the Fourth Proportional to 5,492.47, 8,235.96 and 1,792.78

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Solution

The fourth proportional to 5,492.47, 8,235.96 and 1,792.78 is: 2,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.47 : 8,235.96 = 1,792.78 : x
  2. Step 2: Convert to fraction form
    5,492.47/8,235.96 = 1,792.78/x
  3. Step 3: Cross multiply
    5,492.47x = 8,235.96 × 1,792.78
  4. Step 4: Simplify right side
    5,492.47x = 14,765,264.37
  5. Step 5: Solve for x
    x = 14,765,264.37/5,492.47
  6. Step 6: Final answer
    x = 2,688.27

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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.