Home / 3,535.80-4,881.06-2,211.45

Finding the Fourth Proportional to 3,535.80, 4,881.06 and 2,211.45

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Solution

The fourth proportional to 3,535.80, 4,881.06 and 2,211.45 is: 3,052.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.80 : 4,881.06 = 2,211.45 : x
  2. Step 2: Convert to fraction form
    3,535.80/4,881.06 = 2,211.45/x
  3. Step 3: Cross multiply
    3,535.80x = 4,881.06 × 2,211.45
  4. Step 4: Simplify right side
    3,535.80x = 10,794,220.14
  5. Step 5: Solve for x
    x = 10,794,220.14/3,535.80
  6. Step 6: Final answer
    x = 3,052.84

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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.