Home / 7,089.91-10,635.36-2,408.01

Finding the Fourth Proportional to 7,089.91, 10,635.36 and 2,408.01

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Solution

The fourth proportional to 7,089.91, 10,635.36 and 2,408.01 is: 3,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.91 : 10,635.36 = 2,408.01 : x
  2. Step 2: Convert to fraction form
    7,089.91/10,635.36 = 2,408.01/x
  3. Step 3: Cross multiply
    7,089.91x = 10,635.36 × 2,408.01
  4. Step 4: Simplify right side
    7,089.91x = 25,610,044.20
  5. Step 5: Solve for x
    x = 25,610,044.20/7,089.91
  6. Step 6: Final answer
    x = 3,612.18

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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.