Home / 3,572.52-5,356.86-1,263.72

Finding the Fourth Proportional to 3,572.52, 5,356.86 and 1,263.72

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Solution

The fourth proportional to 3,572.52, 5,356.86 and 1,263.72 is: 1,894.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.52 : 5,356.86 = 1,263.72 : x
  2. Step 2: Convert to fraction form
    3,572.52/5,356.86 = 1,263.72/x
  3. Step 3: Cross multiply
    3,572.52x = 5,356.86 × 1,263.72
  4. Step 4: Simplify right side
    3,572.52x = 6,769,571.12
  5. Step 5: Solve for x
    x = 6,769,571.12/3,572.52
  6. Step 6: Final answer
    x = 1,894.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.