Home / 3,193.74-4,407.42-1,777.50

Finding the Fourth Proportional to 3,193.74, 4,407.42 and 1,777.50

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Solution

The fourth proportional to 3,193.74, 4,407.42 and 1,777.50 is: 2,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.74 : 4,407.42 = 1,777.50 : x
  2. Step 2: Convert to fraction form
    3,193.74/4,407.42 = 1,777.50/x
  3. Step 3: Cross multiply
    3,193.74x = 4,407.42 × 1,777.50
  4. Step 4: Simplify right side
    3,193.74x = 7,834,189.05
  5. Step 5: Solve for x
    x = 7,834,189.05/3,193.74
  6. Step 6: Final answer
    x = 2,452.98

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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.