Home / 5,901.98-8,143.62-3,664.40

Finding the Fourth Proportional to 5,901.98, 8,143.62 and 3,664.40

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Solution

The fourth proportional to 5,901.98, 8,143.62 and 3,664.40 is: 5,056.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.98 : 8,143.62 = 3,664.40 : x
  2. Step 2: Convert to fraction form
    5,901.98/8,143.62 = 3,664.40/x
  3. Step 3: Cross multiply
    5,901.98x = 8,143.62 × 3,664.40
  4. Step 4: Simplify right side
    5,901.98x = 29,841,481.13
  5. Step 5: Solve for x
    x = 29,841,481.13/5,901.98
  6. Step 6: Final answer
    x = 5,056.18

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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.