Home / 4,265.12-6,398.76-1,800.56

Finding the Fourth Proportional to 4,265.12, 6,398.76 and 1,800.56

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Solution

The fourth proportional to 4,265.12, 6,398.76 and 1,800.56 is: 2,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.12 : 6,398.76 = 1,800.56 : x
  2. Step 2: Convert to fraction form
    4,265.12/6,398.76 = 1,800.56/x
  3. Step 3: Cross multiply
    4,265.12x = 6,398.76 × 1,800.56
  4. Step 4: Simplify right side
    4,265.12x = 11,521,351.31
  5. Step 5: Solve for x
    x = 11,521,351.31/4,265.12
  6. Step 6: Final answer
    x = 2,701.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.