Home / 5,235.23-7,224.56-2,877.32

Finding the Fourth Proportional to 5,235.23, 7,224.56 and 2,877.32

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Solution

The fourth proportional to 5,235.23, 7,224.56 and 2,877.32 is: 3,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.23 : 7,224.56 = 2,877.32 : x
  2. Step 2: Convert to fraction form
    5,235.23/7,224.56 = 2,877.32/x
  3. Step 3: Cross multiply
    5,235.23x = 7,224.56 × 2,877.32
  4. Step 4: Simplify right side
    5,235.23x = 20,787,320.47
  5. Step 5: Solve for x
    x = 20,787,320.47/5,235.23
  6. Step 6: Final answer
    x = 3,970.66

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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.