Home / 3,557.05-5,331.62-1,475.89

Finding the Fourth Proportional to 3,557.05, 5,331.62 and 1,475.89

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Solution

The fourth proportional to 3,557.05, 5,331.62 and 1,475.89 is: 2,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.05 : 5,331.62 = 1,475.89 : x
  2. Step 2: Convert to fraction form
    3,557.05/5,331.62 = 1,475.89/x
  3. Step 3: Cross multiply
    3,557.05x = 5,331.62 × 1,475.89
  4. Step 4: Simplify right side
    3,557.05x = 7,868,875.00
  5. Step 5: Solve for x
    x = 7,868,875.00/3,557.05
  6. Step 6: Final answer
    x = 2,212.19

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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.