Home / 5,651.21-7,798.71-3,133.36

Finding the Fourth Proportional to 5,651.21, 7,798.71 and 3,133.36

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Solution

The fourth proportional to 5,651.21, 7,798.71 and 3,133.36 is: 4,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.21 : 7,798.71 = 3,133.36 : x
  2. Step 2: Convert to fraction form
    5,651.21/7,798.71 = 3,133.36/x
  3. Step 3: Cross multiply
    5,651.21x = 7,798.71 × 3,133.36
  4. Step 4: Simplify right side
    5,651.21x = 24,436,187.46
  5. Step 5: Solve for x
    x = 24,436,187.46/5,651.21
  6. Step 6: Final answer
    x = 4,324.06

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Half scale
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Double scale
Find fourth proportional to 5,652.21, 7,800.09 and 3,134.36
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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.