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Finding the Fourth Proportional to 6,145.35, 8,471.99 and 5,197.34

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Solution

The fourth proportional to 6,145.35, 8,471.99 and 5,197.34 is: 7,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.35 : 8,471.99 = 5,197.34 : x
  2. Step 2: Convert to fraction form
    6,145.35/8,471.99 = 5,197.34/x
  3. Step 3: Cross multiply
    6,145.35x = 8,471.99 × 5,197.34
  4. Step 4: Simplify right side
    6,145.35x = 44,031,744.16
  5. Step 5: Solve for x
    x = 44,031,744.16/6,145.35
  6. Step 6: Final answer
    x = 7,165.05

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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.