Home / 5,959.13-8,221.56-3,405.06

Finding the Fourth Proportional to 5,959.13, 8,221.56 and 3,405.06

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Solution

The fourth proportional to 5,959.13, 8,221.56 and 3,405.06 is: 4,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.13 : 8,221.56 = 3,405.06 : x
  2. Step 2: Convert to fraction form
    5,959.13/8,221.56 = 3,405.06/x
  3. Step 3: Cross multiply
    5,959.13x = 8,221.56 × 3,405.06
  4. Step 4: Simplify right side
    5,959.13x = 27,994,863.99
  5. Step 5: Solve for x
    x = 27,994,863.99/5,959.13
  6. Step 6: Final answer
    x = 4,697.81

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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.