Home / 3,193.10-4,406.40-1,776.80

Finding the Fourth Proportional to 3,193.10, 4,406.40 and 1,776.80

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Solution

The fourth proportional to 3,193.10, 4,406.40 and 1,776.80 is: 2,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.10 : 4,406.40 = 1,776.80 : x
  2. Step 2: Convert to fraction form
    3,193.10/4,406.40 = 1,776.80/x
  3. Step 3: Cross multiply
    3,193.10x = 4,406.40 × 1,776.80
  4. Step 4: Simplify right side
    3,193.10x = 7,829,269.49
  5. Step 5: Solve for x
    x = 7,829,269.49/3,193.10
  6. Step 6: Final answer
    x = 2,451.94

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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.