Home / 5,921.10-8,171.15-3,268.35

Finding the Fourth Proportional to 5,921.10, 8,171.15 and 3,268.35

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Solution

The fourth proportional to 5,921.10, 8,171.15 and 3,268.35 is: 4,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.10 : 8,171.15 = 3,268.35 : x
  2. Step 2: Convert to fraction form
    5,921.10/8,171.15 = 3,268.35/x
  3. Step 3: Cross multiply
    5,921.10x = 8,171.15 × 3,268.35
  4. Step 4: Simplify right side
    5,921.10x = 26,706,161.76
  5. Step 5: Solve for x
    x = 26,706,161.76/5,921.10
  6. Step 6: Final answer
    x = 4,510.34

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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.