Home / 5,812.06-8,020.62-3,159.48

Finding the Fourth Proportional to 5,812.06, 8,020.62 and 3,159.48

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Solution

The fourth proportional to 5,812.06, 8,020.62 and 3,159.48 is: 4,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.06 : 8,020.62 = 3,159.48 : x
  2. Step 2: Convert to fraction form
    5,812.06/8,020.62 = 3,159.48/x
  3. Step 3: Cross multiply
    5,812.06x = 8,020.62 × 3,159.48
  4. Step 4: Simplify right side
    5,812.06x = 25,340,988.48
  5. Step 5: Solve for x
    x = 25,340,988.48/5,812.06
  6. Step 6: Final answer
    x = 4,360.07

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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.