Home / 5,391.10-7,439.58-3,001.08

Finding the Fourth Proportional to 5,391.10, 7,439.58 and 3,001.08

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Solution

The fourth proportional to 5,391.10, 7,439.58 and 3,001.08 is: 4,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.10 : 7,439.58 = 3,001.08 : x
  2. Step 2: Convert to fraction form
    5,391.10/7,439.58 = 3,001.08/x
  3. Step 3: Cross multiply
    5,391.10x = 7,439.58 × 3,001.08
  4. Step 4: Simplify right side
    5,391.10x = 22,326,739.87
  5. Step 5: Solve for x
    x = 22,326,739.87/5,391.10
  6. Step 6: Final answer
    x = 4,141.41

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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.