Home / 5,235.29-7,224.72-2,877.58

Finding the Fourth Proportional to 5,235.29, 7,224.72 and 2,877.58

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Solution

The fourth proportional to 5,235.29, 7,224.72 and 2,877.58 is: 3,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.29 : 7,224.72 = 2,877.58 : x
  2. Step 2: Convert to fraction form
    5,235.29/7,224.72 = 2,877.58/x
  3. Step 3: Cross multiply
    5,235.29x = 7,224.72 × 2,877.58
  4. Step 4: Simplify right side
    5,235.29x = 20,789,724.20
  5. Step 5: Solve for x
    x = 20,789,724.20/5,235.29
  6. Step 6: Final answer
    x = 3,971.07

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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.