Home / 5,447.57-8,171.36-3,807.32

Finding the Fourth Proportional to 5,447.57, 8,171.36 and 3,807.32

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Solution

The fourth proportional to 5,447.57, 8,171.36 and 3,807.32 is: 5,710.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.57 : 8,171.36 = 3,807.32 : x
  2. Step 2: Convert to fraction form
    5,447.57/8,171.36 = 3,807.32/x
  3. Step 3: Cross multiply
    5,447.57x = 8,171.36 × 3,807.32
  4. Step 4: Simplify right side
    5,447.57x = 31,110,982.36
  5. Step 5: Solve for x
    x = 31,110,982.36/5,447.57
  6. Step 6: Final answer
    x = 5,710.98

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1.5x scale

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.