Home / 5,174.10-7,756.34-1,886.44

Finding the Fourth Proportional to 5,174.10, 7,756.34 and 1,886.44

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Solution

The fourth proportional to 5,174.10, 7,756.34 and 1,886.44 is: 2,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.10 : 7,756.34 = 1,886.44 : x
  2. Step 2: Convert to fraction form
    5,174.10/7,756.34 = 1,886.44/x
  3. Step 3: Cross multiply
    5,174.10x = 7,756.34 × 1,886.44
  4. Step 4: Simplify right side
    5,174.10x = 14,631,870.03
  5. Step 5: Solve for x
    x = 14,631,870.03/5,174.10
  6. Step 6: Final answer
    x = 2,827.91

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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.