Home / 5,436.62-8,152.16-2,659.13

Finding the Fourth Proportional to 5,436.62, 8,152.16 and 2,659.13

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Solution

The fourth proportional to 5,436.62, 8,152.16 and 2,659.13 is: 3,987.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.62 : 8,152.16 = 2,659.13 : x
  2. Step 2: Convert to fraction form
    5,436.62/8,152.16 = 2,659.13/x
  3. Step 3: Cross multiply
    5,436.62x = 8,152.16 × 2,659.13
  4. Step 4: Simplify right side
    5,436.62x = 21,677,599.16
  5. Step 5: Solve for x
    x = 21,677,599.16/5,436.62
  6. Step 6: Final answer
    x = 3,987.33

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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.