Home / 5,416.52-7,476.04-3,178.48

Finding the Fourth Proportional to 5,416.52, 7,476.04 and 3,178.48

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Solution

The fourth proportional to 5,416.52, 7,476.04 and 3,178.48 is: 4,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.52 : 7,476.04 = 3,178.48 : x
  2. Step 2: Convert to fraction form
    5,416.52/7,476.04 = 3,178.48/x
  3. Step 3: Cross multiply
    5,416.52x = 7,476.04 × 3,178.48
  4. Step 4: Simplify right side
    5,416.52x = 23,762,443.62
  5. Step 5: Solve for x
    x = 23,762,443.62/5,416.52
  6. Step 6: Final answer
    x = 4,387.03

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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.