Home / 5,911.36-8,158.56-3,554.56

Finding the Fourth Proportional to 5,911.36, 8,158.56 and 3,554.56

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Solution

The fourth proportional to 5,911.36, 8,158.56 and 3,554.56 is: 4,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.36 : 8,158.56 = 3,554.56 : x
  2. Step 2: Convert to fraction form
    5,911.36/8,158.56 = 3,554.56/x
  3. Step 3: Cross multiply
    5,911.36x = 8,158.56 × 3,554.56
  4. Step 4: Simplify right side
    5,911.36x = 29,000,091.03
  5. Step 5: Solve for x
    x = 29,000,091.03/5,911.36
  6. Step 6: Final answer
    x = 4,905.82

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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.