Home / 6,020.78-8,308.68-3,368.23

Finding the Fourth Proportional to 6,020.78, 8,308.68 and 3,368.23

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Solution

The fourth proportional to 6,020.78, 8,308.68 and 3,368.23 is: 4,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.78 : 8,308.68 = 3,368.23 : x
  2. Step 2: Convert to fraction form
    6,020.78/8,308.68 = 3,368.23/x
  3. Step 3: Cross multiply
    6,020.78x = 8,308.68 × 3,368.23
  4. Step 4: Simplify right side
    6,020.78x = 27,985,537.10
  5. Step 5: Solve for x
    x = 27,985,537.10/6,020.78
  6. Step 6: Final answer
    x = 4,648.16

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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.