Home / 5,903.36-8,143.52-3,511.63

Finding the Fourth Proportional to 5,903.36, 8,143.52 and 3,511.63

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Solution

The fourth proportional to 5,903.36, 8,143.52 and 3,511.63 is: 4,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.36 : 8,143.52 = 3,511.63 : x
  2. Step 2: Convert to fraction form
    5,903.36/8,143.52 = 3,511.63/x
  3. Step 3: Cross multiply
    5,903.36x = 8,143.52 × 3,511.63
  4. Step 4: Simplify right side
    5,903.36x = 28,597,021.76
  5. Step 5: Solve for x
    x = 28,597,021.76/5,903.36
  6. Step 6: Final answer
    x = 4,844.20

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Half scale
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Double scale
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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.