Home / 3,243.79-4,477.91-2,066.46

Finding the Fourth Proportional to 3,243.79, 4,477.91 and 2,066.46

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Solution

The fourth proportional to 3,243.79, 4,477.91 and 2,066.46 is: 2,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.79 : 4,477.91 = 2,066.46 : x
  2. Step 2: Convert to fraction form
    3,243.79/4,477.91 = 2,066.46/x
  3. Step 3: Cross multiply
    3,243.79x = 4,477.91 × 2,066.46
  4. Step 4: Simplify right side
    3,243.79x = 9,253,421.90
  5. Step 5: Solve for x
    x = 9,253,421.90/3,243.79
  6. Step 6: Final answer
    x = 2,852.66

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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.