Home / 2,874.03-4,312.58-2,822.51

Finding the Fourth Proportional to 2,874.03, 4,312.58 and 2,822.51

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Solution

The fourth proportional to 2,874.03, 4,312.58 and 2,822.51 is: 4,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.03 : 4,312.58 = 2,822.51 : x
  2. Step 2: Convert to fraction form
    2,874.03/4,312.58 = 2,822.51/x
  3. Step 3: Cross multiply
    2,874.03x = 4,312.58 × 2,822.51
  4. Step 4: Simplify right side
    2,874.03x = 12,172,295.27
  5. Step 5: Solve for x
    x = 12,172,295.27/2,874.03
  6. Step 6: Final answer
    x = 4,235.28

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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.