Home / 5,425.68-7,487.36-3,068.32

Finding the Fourth Proportional to 5,425.68, 7,487.36 and 3,068.32

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Solution

The fourth proportional to 5,425.68, 7,487.36 and 3,068.32 is: 4,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.68 : 7,487.36 = 3,068.32 : x
  2. Step 2: Convert to fraction form
    5,425.68/7,487.36 = 3,068.32/x
  3. Step 3: Cross multiply
    5,425.68x = 7,487.36 × 3,068.32
  4. Step 4: Simplify right side
    5,425.68x = 22,973,616.44
  5. Step 5: Solve for x
    x = 22,973,616.44/5,425.68
  6. Step 6: Final answer
    x = 4,234.24

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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.