Home / 5,929.80-8,182.67-3,412.05

Finding the Fourth Proportional to 5,929.80, 8,182.67 and 3,412.05

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Solution

The fourth proportional to 5,929.80, 8,182.67 and 3,412.05 is: 4,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.80 : 8,182.67 = 3,412.05 : x
  2. Step 2: Convert to fraction form
    5,929.80/8,182.67 = 3,412.05/x
  3. Step 3: Cross multiply
    5,929.80x = 8,182.67 × 3,412.05
  4. Step 4: Simplify right side
    5,929.80x = 27,919,662.11
  5. Step 5: Solve for x
    x = 27,919,662.11/5,929.80
  6. Step 6: Final answer
    x = 4,708.36

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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.