Home / 5,235.36-7,224.94-2,877.65

Finding the Fourth Proportional to 5,235.36, 7,224.94 and 2,877.65

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Solution

The fourth proportional to 5,235.36, 7,224.94 and 2,877.65 is: 3,971.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.36 : 7,224.94 = 2,877.65 : x
  2. Step 2: Convert to fraction form
    5,235.36/7,224.94 = 2,877.65/x
  3. Step 3: Cross multiply
    5,235.36x = 7,224.94 × 2,877.65
  4. Step 4: Simplify right side
    5,235.36x = 20,790,848.59
  5. Step 5: Solve for x
    x = 20,790,848.59/5,235.36
  6. Step 6: Final answer
    x = 3,971.24

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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.