Home / 3,000.26-4,139.90-1,674.02

Finding the Fourth Proportional to 3,000.26, 4,139.90 and 1,674.02

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Solution

The fourth proportional to 3,000.26, 4,139.90 and 1,674.02 is: 2,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.26 : 4,139.90 = 1,674.02 : x
  2. Step 2: Convert to fraction form
    3,000.26/4,139.90 = 1,674.02/x
  3. Step 3: Cross multiply
    3,000.26x = 4,139.90 × 1,674.02
  4. Step 4: Simplify right side
    3,000.26x = 6,930,275.40
  5. Step 5: Solve for x
    x = 6,930,275.40/3,000.26
  6. Step 6: Final answer
    x = 2,309.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.