Home / 5,235.24-7,224.54-2,877.36

Finding the Fourth Proportional to 5,235.24, 7,224.54 and 2,877.36

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Solution

The fourth proportional to 5,235.24, 7,224.54 and 2,877.36 is: 3,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.24 : 7,224.54 = 2,877.36 : x
  2. Step 2: Convert to fraction form
    5,235.24/7,224.54 = 2,877.36/x
  3. Step 3: Cross multiply
    5,235.24x = 7,224.54 × 2,877.36
  4. Step 4: Simplify right side
    5,235.24x = 20,787,602.41
  5. Step 5: Solve for x
    x = 20,787,602.41/5,235.24
  6. Step 6: Final answer
    x = 3,970.71

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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.