Home / 7,622.34-11,430.66-2,623.31

Finding the Fourth Proportional to 7,622.34, 11,430.66 and 2,623.31

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Solution

The fourth proportional to 7,622.34, 11,430.66 and 2,623.31 is: 3,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.34 : 11,430.66 = 2,623.31 : x
  2. Step 2: Convert to fraction form
    7,622.34/11,430.66 = 2,623.31/x
  3. Step 3: Cross multiply
    7,622.34x = 11,430.66 × 2,623.31
  4. Step 4: Simplify right side
    7,622.34x = 29,986,145.48
  5. Step 5: Solve for x
    x = 29,986,145.48/7,622.34
  6. Step 6: Final answer
    x = 3,933.98

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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.