Home / 5,001.56-6,905.10-3,431.96

Finding the Fourth Proportional to 5,001.56, 6,905.10 and 3,431.96

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Solution

The fourth proportional to 5,001.56, 6,905.10 and 3,431.96 is: 4,738.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.56 : 6,905.10 = 3,431.96 : x
  2. Step 2: Convert to fraction form
    5,001.56/6,905.10 = 3,431.96/x
  3. Step 3: Cross multiply
    5,001.56x = 6,905.10 × 3,431.96
  4. Step 4: Simplify right side
    5,001.56x = 23,698,027.00
  5. Step 5: Solve for x
    x = 23,698,027.00/5,001.56
  6. Step 6: Final answer
    x = 4,738.13

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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.