Home / 5,174.25-7,762.19-1,712.31

Finding the Fourth Proportional to 5,174.25, 7,762.19 and 1,712.31

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Solution

The fourth proportional to 5,174.25, 7,762.19 and 1,712.31 is: 2,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.25 : 7,762.19 = 1,712.31 : x
  2. Step 2: Convert to fraction form
    5,174.25/7,762.19 = 1,712.31/x
  3. Step 3: Cross multiply
    5,174.25x = 7,762.19 × 1,712.31
  4. Step 4: Simplify right side
    5,174.25x = 13,291,267.00
  5. Step 5: Solve for x
    x = 13,291,267.00/5,174.25
  6. Step 6: Final answer
    x = 2,568.73

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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.