Home / 7,588.40-11,384.60-2,658.04

Finding the Fourth Proportional to 7,588.40, 11,384.60 and 2,658.04

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Solution

The fourth proportional to 7,588.40, 11,384.60 and 2,658.04 is: 3,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.40 : 11,384.60 = 2,658.04 : x
  2. Step 2: Convert to fraction form
    7,588.40/11,384.60 = 2,658.04/x
  3. Step 3: Cross multiply
    7,588.40x = 11,384.60 × 2,658.04
  4. Step 4: Simplify right side
    7,588.40x = 30,260,722.18
  5. Step 5: Solve for x
    x = 30,260,722.18/7,588.40
  6. Step 6: Final answer
    x = 3,987.76

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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.