Home / 5,154.21-7,732.71-3,675.30

Finding the Fourth Proportional to 5,154.21, 7,732.71 and 3,675.30

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Solution

The fourth proportional to 5,154.21, 7,732.71 and 3,675.30 is: 5,513.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.21 : 7,732.71 = 3,675.30 : x
  2. Step 2: Convert to fraction form
    5,154.21/7,732.71 = 3,675.30/x
  3. Step 3: Cross multiply
    5,154.21x = 7,732.71 × 3,675.30
  4. Step 4: Simplify right side
    5,154.21x = 28,420,029.06
  5. Step 5: Solve for x
    x = 28,420,029.06/5,154.21
  6. Step 6: Final answer
    x = 5,513.94

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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.