Home / 5,655.25-7,804.25-3,137.36

Finding the Fourth Proportional to 5,655.25, 7,804.25 and 3,137.36

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Solution

The fourth proportional to 5,655.25, 7,804.25 and 3,137.36 is: 4,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.25 : 7,804.25 = 3,137.36 : x
  2. Step 2: Convert to fraction form
    5,655.25/7,804.25 = 3,137.36/x
  3. Step 3: Cross multiply
    5,655.25x = 7,804.25 × 3,137.36
  4. Step 4: Simplify right side
    5,655.25x = 24,484,717.39
  5. Step 5: Solve for x
    x = 24,484,717.39/5,655.25
  6. Step 6: Final answer
    x = 4,329.56

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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.