Home / 3,000.16-4,140.20-1,673.86

Finding the Fourth Proportional to 3,000.16, 4,140.20 and 1,673.86

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Solution

The fourth proportional to 3,000.16, 4,140.20 and 1,673.86 is: 2,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.16 : 4,140.20 = 1,673.86 : x
  2. Step 2: Convert to fraction form
    3,000.16/4,140.20 = 1,673.86/x
  3. Step 3: Cross multiply
    3,000.16x = 4,140.20 × 1,673.86
  4. Step 4: Simplify right side
    3,000.16x = 6,930,119.36
  5. Step 5: Solve for x
    x = 6,930,119.36/3,000.16
  6. Step 6: Final answer
    x = 2,309.92

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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.