Home / 5,911.50-8,157.76-3,259.08

Finding the Fourth Proportional to 5,911.50, 8,157.76 and 3,259.08

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Solution

The fourth proportional to 5,911.50, 8,157.76 and 3,259.08 is: 4,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.50 : 8,157.76 = 3,259.08 : x
  2. Step 2: Convert to fraction form
    5,911.50/8,157.76 = 3,259.08/x
  3. Step 3: Cross multiply
    5,911.50x = 8,157.76 × 3,259.08
  4. Step 4: Simplify right side
    5,911.50x = 26,586,792.46
  5. Step 5: Solve for x
    x = 26,586,792.46/5,911.50
  6. Step 6: Final answer
    x = 4,497.47

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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.