Home / 5,235.05-7,224.10-2,877.27

Finding the Fourth Proportional to 5,235.05, 7,224.10 and 2,877.27

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Solution

The fourth proportional to 5,235.05, 7,224.10 and 2,877.27 is: 3,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.05 : 7,224.10 = 2,877.27 : x
  2. Step 2: Convert to fraction form
    5,235.05/7,224.10 = 2,877.27/x
  3. Step 3: Cross multiply
    5,235.05x = 7,224.10 × 2,877.27
  4. Step 4: Simplify right side
    5,235.05x = 20,785,686.21
  5. Step 5: Solve for x
    x = 20,785,686.21/5,235.05
  6. Step 6: Final answer
    x = 3,970.48

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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.