Home / 5,407.83-7,462.85-3,171.03

Finding the Fourth Proportional to 5,407.83, 7,462.85 and 3,171.03

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Solution

The fourth proportional to 5,407.83, 7,462.85 and 3,171.03 is: 4,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.83 : 7,462.85 = 3,171.03 : x
  2. Step 2: Convert to fraction form
    5,407.83/7,462.85 = 3,171.03/x
  3. Step 3: Cross multiply
    5,407.83x = 7,462.85 × 3,171.03
  4. Step 4: Simplify right side
    5,407.83x = 23,664,921.24
  5. Step 5: Solve for x
    x = 23,664,921.24/5,407.83
  6. Step 6: Final answer
    x = 4,376.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.