Home / 4,759.18-7,139.16-2,386.42

Finding the Fourth Proportional to 4,759.18, 7,139.16 and 2,386.42

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Solution

The fourth proportional to 4,759.18, 7,139.16 and 2,386.42 is: 3,579.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.18 : 7,139.16 = 2,386.42 : x
  2. Step 2: Convert to fraction form
    4,759.18/7,139.16 = 2,386.42/x
  3. Step 3: Cross multiply
    4,759.18x = 7,139.16 × 2,386.42
  4. Step 4: Simplify right side
    4,759.18x = 17,037,034.21
  5. Step 5: Solve for x
    x = 17,037,034.21/4,759.18
  6. Step 6: Final answer
    x = 3,579.83

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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.