Home / 5,176.12-7,762.38-1,712.44

Finding the Fourth Proportional to 5,176.12, 7,762.38 and 1,712.44

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Solution

The fourth proportional to 5,176.12, 7,762.38 and 1,712.44 is: 2,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.12 : 7,762.38 = 1,712.44 : x
  2. Step 2: Convert to fraction form
    5,176.12/7,762.38 = 1,712.44/x
  3. Step 3: Cross multiply
    5,176.12x = 7,762.38 × 1,712.44
  4. Step 4: Simplify right side
    5,176.12x = 13,292,610.01
  5. Step 5: Solve for x
    x = 13,292,610.01/5,176.12
  6. Step 6: Final answer
    x = 2,568.06

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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.