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Finding the Fourth Proportional to 5,369.42, 7,410.12 and 3,011.70

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Solution

The fourth proportional to 5,369.42, 7,410.12 and 3,011.70 is: 4,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.42 : 7,410.12 = 3,011.70 : x
  2. Step 2: Convert to fraction form
    5,369.42/7,410.12 = 3,011.70/x
  3. Step 3: Cross multiply
    5,369.42x = 7,410.12 × 3,011.70
  4. Step 4: Simplify right side
    5,369.42x = 22,317,058.40
  5. Step 5: Solve for x
    x = 22,317,058.40/5,369.42
  6. Step 6: Final answer
    x = 4,156.33

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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.