Home / 5,471.35-8,191.52-4,253.01

Finding the Fourth Proportional to 5,471.35, 8,191.52 and 4,253.01

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Solution

The fourth proportional to 5,471.35, 8,191.52 and 4,253.01 is: 6,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.35 : 8,191.52 = 4,253.01 : x
  2. Step 2: Convert to fraction form
    5,471.35/8,191.52 = 4,253.01/x
  3. Step 3: Cross multiply
    5,471.35x = 8,191.52 × 4,253.01
  4. Step 4: Simplify right side
    5,471.35x = 34,838,619.72
  5. Step 5: Solve for x
    x = 34,838,619.72/5,471.35
  6. Step 6: Final answer
    x = 6,367.46

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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.