Home / 5,262.86-7,262.56-3,137.29

Finding the Fourth Proportional to 5,262.86, 7,262.56 and 3,137.29

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Solution

The fourth proportional to 5,262.86, 7,262.56 and 3,137.29 is: 4,329.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.86 : 7,262.56 = 3,137.29 : x
  2. Step 2: Convert to fraction form
    5,262.86/7,262.56 = 3,137.29/x
  3. Step 3: Cross multiply
    5,262.86x = 7,262.56 × 3,137.29
  4. Step 4: Simplify right side
    5,262.86x = 22,784,720.55
  5. Step 5: Solve for x
    x = 22,784,720.55/5,262.86
  6. Step 6: Final answer
    x = 4,329.35

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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.