Home / 3,351.42-4,625.48-3,203.76

Finding the Fourth Proportional to 3,351.42, 4,625.48 and 3,203.76

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Solution

The fourth proportional to 3,351.42, 4,625.48 and 3,203.76 is: 4,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.42 : 4,625.48 = 3,203.76 : x
  2. Step 2: Convert to fraction form
    3,351.42/4,625.48 = 3,203.76/x
  3. Step 3: Cross multiply
    3,351.42x = 4,625.48 × 3,203.76
  4. Step 4: Simplify right side
    3,351.42x = 14,818,911.79
  5. Step 5: Solve for x
    x = 14,818,911.79/3,351.42
  6. Step 6: Final answer
    x = 4,421.68

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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.