Home / 5,426.21-7,487.91-3,068.30

Finding the Fourth Proportional to 5,426.21, 7,487.91 and 3,068.30

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Solution

The fourth proportional to 5,426.21, 7,487.91 and 3,068.30 is: 4,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.21 : 7,487.91 = 3,068.30 : x
  2. Step 2: Convert to fraction form
    5,426.21/7,487.91 = 3,068.30/x
  3. Step 3: Cross multiply
    5,426.21x = 7,487.91 × 3,068.30
  4. Step 4: Simplify right side
    5,426.21x = 22,975,172.97
  5. Step 5: Solve for x
    x = 22,975,172.97/5,426.21
  6. Step 6: Final answer
    x = 4,234.11

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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.