Home / 3,173.91-4,760.08-1,325.05

Finding the Fourth Proportional to 3,173.91, 4,760.08 and 1,325.05

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Solution

The fourth proportional to 3,173.91, 4,760.08 and 1,325.05 is: 1,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.91 : 4,760.08 = 1,325.05 : x
  2. Step 2: Convert to fraction form
    3,173.91/4,760.08 = 1,325.05/x
  3. Step 3: Cross multiply
    3,173.91x = 4,760.08 × 1,325.05
  4. Step 4: Simplify right side
    3,173.91x = 6,307,344.00
  5. Step 5: Solve for x
    x = 6,307,344.00/3,173.91
  6. Step 6: Final answer
    x = 1,987.25

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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.