Home / 5,545.81-8,316.28-2,080.63

Finding the Fourth Proportional to 5,545.81, 8,316.28 and 2,080.63

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Solution

The fourth proportional to 5,545.81, 8,316.28 and 2,080.63 is: 3,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.81 : 8,316.28 = 2,080.63 : x
  2. Step 2: Convert to fraction form
    5,545.81/8,316.28 = 2,080.63/x
  3. Step 3: Cross multiply
    5,545.81x = 8,316.28 × 2,080.63
  4. Step 4: Simplify right side
    5,545.81x = 17,303,101.66
  5. Step 5: Solve for x
    x = 17,303,101.66/5,545.81
  6. Step 6: Final answer
    x = 3,120.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.