Home / 7,724.79-11,588.00-2,531.07

Finding the Fourth Proportional to 7,724.79, 11,588.00 and 2,531.07

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Solution

The fourth proportional to 7,724.79, 11,588.00 and 2,531.07 is: 3,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.79 : 11,588.00 = 2,531.07 : x
  2. Step 2: Convert to fraction form
    7,724.79/11,588.00 = 2,531.07/x
  3. Step 3: Cross multiply
    7,724.79x = 11,588.00 × 2,531.07
  4. Step 4: Simplify right side
    7,724.79x = 29,330,026.50
  5. Step 5: Solve for x
    x = 29,330,026.50/7,724.79
  6. Step 6: Final answer
    x = 3,796.87

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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.