Home / 5,918.68-8,166.90-3,266.20

Finding the Fourth Proportional to 5,918.68, 8,166.90 and 3,266.20

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Solution

The fourth proportional to 5,918.68, 8,166.90 and 3,266.20 is: 4,506.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.68 : 8,166.90 = 3,266.20 : x
  2. Step 2: Convert to fraction form
    5,918.68/8,166.90 = 3,266.20/x
  3. Step 3: Cross multiply
    5,918.68x = 8,166.90 × 3,266.20
  4. Step 4: Simplify right side
    5,918.68x = 26,674,728.78
  5. Step 5: Solve for x
    x = 26,674,728.78/5,918.68
  6. Step 6: Final answer
    x = 4,506.87

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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.