Home / 3,000.14-4,140.19-1,673.84

Finding the Fourth Proportional to 3,000.14, 4,140.19 and 1,673.84

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Solution

The fourth proportional to 3,000.14, 4,140.19 and 1,673.84 is: 2,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.14 : 4,140.19 = 1,673.84 : x
  2. Step 2: Convert to fraction form
    3,000.14/4,140.19 = 1,673.84/x
  3. Step 3: Cross multiply
    3,000.14x = 4,140.19 × 1,673.84
  4. Step 4: Simplify right side
    3,000.14x = 6,930,015.63
  5. Step 5: Solve for x
    x = 6,930,015.63/3,000.14
  6. Step 6: Final answer
    x = 2,309.90

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1.5x scale

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.