Home / 3,558.50-4,910.45-2,066.18

Finding the Fourth Proportional to 3,558.50, 4,910.45 and 2,066.18

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Solution

The fourth proportional to 3,558.50, 4,910.45 and 2,066.18 is: 2,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.50 : 4,910.45 = 2,066.18 : x
  2. Step 2: Convert to fraction form
    3,558.50/4,910.45 = 2,066.18/x
  3. Step 3: Cross multiply
    3,558.50x = 4,910.45 × 2,066.18
  4. Step 4: Simplify right side
    3,558.50x = 10,145,854.19
  5. Step 5: Solve for x
    x = 10,145,854.19/3,558.50
  6. Step 6: Final answer
    x = 2,851.16

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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.