Home / 5,911.65-8,157.72-3,259.08

Finding the Fourth Proportional to 5,911.65, 8,157.72 and 3,259.08

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Solution

The fourth proportional to 5,911.65, 8,157.72 and 3,259.08 is: 4,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.65 : 8,157.72 = 3,259.08 : x
  2. Step 2: Convert to fraction form
    5,911.65/8,157.72 = 3,259.08/x
  3. Step 3: Cross multiply
    5,911.65x = 8,157.72 × 3,259.08
  4. Step 4: Simplify right side
    5,911.65x = 26,586,662.10
  5. Step 5: Solve for x
    x = 26,586,662.10/5,911.65
  6. Step 6: Final answer
    x = 4,497.33

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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.