Home / 4,759.30-7,139.23-1,837.62

Finding the Fourth Proportional to 4,759.30, 7,139.23 and 1,837.62

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Solution

The fourth proportional to 4,759.30, 7,139.23 and 1,837.62 is: 2,756.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.30 : 7,139.23 = 1,837.62 : x
  2. Step 2: Convert to fraction form
    4,759.30/7,139.23 = 1,837.62/x
  3. Step 3: Cross multiply
    4,759.30x = 7,139.23 × 1,837.62
  4. Step 4: Simplify right side
    4,759.30x = 13,119,191.83
  5. Step 5: Solve for x
    x = 13,119,191.83/4,759.30
  6. Step 6: Final answer
    x = 2,756.54

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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.