Home / 5,402-8,089.08-3,212.24

Finding the Fourth Proportional to 5,402, 8,089.08 and 3,212.24

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Solution

The fourth proportional to 5,402, 8,089.08 and 3,212.24 is: 4,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402 : 8,089.08 = 3,212.24 : x
  2. Step 2: Convert to fraction form
    5,402/8,089.08 = 3,212.24/x
  3. Step 3: Cross multiply
    5,402x = 8,089.08 × 3,212.24
  4. Step 4: Simplify right side
    5,402x = 25,984,066.34
  5. Step 5: Solve for x
    x = 25,984,066.34/5,402
  6. Step 6: Final answer
    x = 4,810.08

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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.