Home / 3,555.70-5,333.55-1,913.02

Finding the Fourth Proportional to 3,555.70, 5,333.55 and 1,913.02

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Solution

The fourth proportional to 3,555.70, 5,333.55 and 1,913.02 is: 2,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.70 : 5,333.55 = 1,913.02 : x
  2. Step 2: Convert to fraction form
    3,555.70/5,333.55 = 1,913.02/x
  3. Step 3: Cross multiply
    3,555.70x = 5,333.55 × 1,913.02
  4. Step 4: Simplify right side
    3,555.70x = 10,203,187.82
  5. Step 5: Solve for x
    x = 10,203,187.82/3,555.70
  6. Step 6: Final answer
    x = 2,869.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.