Home / 7,588.83-11,388.39-2,658.51

Finding the Fourth Proportional to 7,588.83, 11,388.39 and 2,658.51

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Solution

The fourth proportional to 7,588.83, 11,388.39 and 2,658.51 is: 3,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.83 : 11,388.39 = 2,658.51 : x
  2. Step 2: Convert to fraction form
    7,588.83/11,388.39 = 2,658.51/x
  3. Step 3: Cross multiply
    7,588.83x = 11,388.39 × 2,658.51
  4. Step 4: Simplify right side
    7,588.83x = 30,276,148.70
  5. Step 5: Solve for x
    x = 30,276,148.70/7,588.83
  6. Step 6: Final answer
    x = 3,989.57

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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.