Home / 5,651.30-8,477.74-2,142.58

Finding the Fourth Proportional to 5,651.30, 8,477.74 and 2,142.58

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Solution

The fourth proportional to 5,651.30, 8,477.74 and 2,142.58 is: 3,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.30 : 8,477.74 = 2,142.58 : x
  2. Step 2: Convert to fraction form
    5,651.30/8,477.74 = 2,142.58/x
  3. Step 3: Cross multiply
    5,651.30x = 8,477.74 × 2,142.58
  4. Step 4: Simplify right side
    5,651.30x = 18,164,236.17
  5. Step 5: Solve for x
    x = 18,164,236.17/5,651.30
  6. Step 6: Final answer
    x = 3,214.17

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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.