Home / 5,805.56-8,011.68-3,153.02

Finding the Fourth Proportional to 5,805.56, 8,011.68 and 3,153.02

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Solution

The fourth proportional to 5,805.56, 8,011.68 and 3,153.02 is: 4,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.56 : 8,011.68 = 3,153.02 : x
  2. Step 2: Convert to fraction form
    5,805.56/8,011.68 = 3,153.02/x
  3. Step 3: Cross multiply
    5,805.56x = 8,011.68 × 3,153.02
  4. Step 4: Simplify right side
    5,805.56x = 25,260,947.22
  5. Step 5: Solve for x
    x = 25,260,947.22/5,805.56
  6. Step 6: Final answer
    x = 4,351.16

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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.