Home / 3,048.11-4,206.40-1,650.86

Finding the Fourth Proportional to 3,048.11, 4,206.40 and 1,650.86

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Solution

The fourth proportional to 3,048.11, 4,206.40 and 1,650.86 is: 2,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.11 : 4,206.40 = 1,650.86 : x
  2. Step 2: Convert to fraction form
    3,048.11/4,206.40 = 1,650.86/x
  3. Step 3: Cross multiply
    3,048.11x = 4,206.40 × 1,650.86
  4. Step 4: Simplify right side
    3,048.11x = 6,944,177.50
  5. Step 5: Solve for x
    x = 6,944,177.50/3,048.11
  6. Step 6: Final answer
    x = 2,278.19

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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.