Home / 5,007.61-7,507.30-2,922.47

Finding the Fourth Proportional to 5,007.61, 7,507.30 and 2,922.47

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Solution

The fourth proportional to 5,007.61, 7,507.30 and 2,922.47 is: 4,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.61 : 7,507.30 = 2,922.47 : x
  2. Step 2: Convert to fraction form
    5,007.61/7,507.30 = 2,922.47/x
  3. Step 3: Cross multiply
    5,007.61x = 7,507.30 × 2,922.47
  4. Step 4: Simplify right side
    5,007.61x = 21,939,859.03
  5. Step 5: Solve for x
    x = 21,939,859.03/5,007.61
  6. Step 6: Final answer
    x = 4,381.30

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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.