Home / 5,913.24-8,157.66-3,924.12

Finding the Fourth Proportional to 5,913.24, 8,157.66 and 3,924.12

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Solution

The fourth proportional to 5,913.24, 8,157.66 and 3,924.12 is: 5,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.24 : 8,157.66 = 3,924.12 : x
  2. Step 2: Convert to fraction form
    5,913.24/8,157.66 = 3,924.12/x
  3. Step 3: Cross multiply
    5,913.24x = 8,157.66 × 3,924.12
  4. Step 4: Simplify right side
    5,913.24x = 32,011,636.76
  5. Step 5: Solve for x
    x = 32,011,636.76/5,913.24
  6. Step 6: Final answer
    x = 5,413.55

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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.