Home / 5,655.36-7,804.43-3,137.55

Finding the Fourth Proportional to 5,655.36, 7,804.43 and 3,137.55

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Solution

The fourth proportional to 5,655.36, 7,804.43 and 3,137.55 is: 4,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.36 : 7,804.43 = 3,137.55 : x
  2. Step 2: Convert to fraction form
    5,655.36/7,804.43 = 3,137.55/x
  3. Step 3: Cross multiply
    5,655.36x = 7,804.43 × 3,137.55
  4. Step 4: Simplify right side
    5,655.36x = 24,486,789.35
  5. Step 5: Solve for x
    x = 24,486,789.35/5,655.36
  6. Step 6: Final answer
    x = 4,329.84

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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.