Home / 5,174.80-7,756.11-2,395.60

Finding the Fourth Proportional to 5,174.80, 7,756.11 and 2,395.60

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Solution

The fourth proportional to 5,174.80, 7,756.11 and 2,395.60 is: 3,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.80 : 7,756.11 = 2,395.60 : x
  2. Step 2: Convert to fraction form
    5,174.80/7,756.11 = 2,395.60/x
  3. Step 3: Cross multiply
    5,174.80x = 7,756.11 × 2,395.60
  4. Step 4: Simplify right side
    5,174.80x = 18,580,537.12
  5. Step 5: Solve for x
    x = 18,580,537.12/5,174.80
  6. Step 6: Final answer
    x = 3,590.58

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1.5x scale

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.