Home / 5,479.12-7,553.31-3,683.35

Finding the Fourth Proportional to 5,479.12, 7,553.31 and 3,683.35

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Solution

The fourth proportional to 5,479.12, 7,553.31 and 3,683.35 is: 5,077.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479.12 : 7,553.31 = 3,683.35 : x
  2. Step 2: Convert to fraction form
    5,479.12/7,553.31 = 3,683.35/x
  3. Step 3: Cross multiply
    5,479.12x = 7,553.31 × 3,683.35
  4. Step 4: Simplify right side
    5,479.12x = 27,821,484.39
  5. Step 5: Solve for x
    x = 27,821,484.39/5,479.12
  6. Step 6: Final answer
    x = 5,077.73

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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.