Home / 5,161.48-7,118.70-3,392.44

Finding the Fourth Proportional to 5,161.48, 7,118.70 and 3,392.44

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Solution

The fourth proportional to 5,161.48, 7,118.70 and 3,392.44 is: 4,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.48 : 7,118.70 = 3,392.44 : x
  2. Step 2: Convert to fraction form
    5,161.48/7,118.70 = 3,392.44/x
  3. Step 3: Cross multiply
    5,161.48x = 7,118.70 × 3,392.44
  4. Step 4: Simplify right side
    5,161.48x = 24,149,762.63
  5. Step 5: Solve for x
    x = 24,149,762.63/5,161.48
  6. Step 6: Final answer
    x = 4,678.84

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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.