Home / 6,670.36-9,204.87-3,686.02

Finding the Fourth Proportional to 6,670.36, 9,204.87 and 3,686.02

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Solution

The fourth proportional to 6,670.36, 9,204.87 and 3,686.02 is: 5,086.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.36 : 9,204.87 = 3,686.02 : x
  2. Step 2: Convert to fraction form
    6,670.36/9,204.87 = 3,686.02/x
  3. Step 3: Cross multiply
    6,670.36x = 9,204.87 × 3,686.02
  4. Step 4: Simplify right side
    6,670.36x = 33,929,334.92
  5. Step 5: Solve for x
    x = 33,929,334.92/6,670.36
  6. Step 6: Final answer
    x = 5,086.58

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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.