Home / 5,911.51-8,157.72-3,258.92

Finding the Fourth Proportional to 5,911.51, 8,157.72 and 3,258.92

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Solution

The fourth proportional to 5,911.51, 8,157.72 and 3,258.92 is: 4,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.51 : 8,157.72 = 3,258.92 : x
  2. Step 2: Convert to fraction form
    5,911.51/8,157.72 = 3,258.92/x
  3. Step 3: Cross multiply
    5,911.51x = 8,157.72 × 3,258.92
  4. Step 4: Simplify right side
    5,911.51x = 26,585,336.47
  5. Step 5: Solve for x
    x = 26,585,336.47/5,911.51
  6. Step 6: Final answer
    x = 4,497.22

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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.