Home / 6,136.78-8,468.79-3,484.23

Finding the Fourth Proportional to 6,136.78, 8,468.79 and 3,484.23

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Solution

The fourth proportional to 6,136.78, 8,468.79 and 3,484.23 is: 4,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.78 : 8,468.79 = 3,484.23 : x
  2. Step 2: Convert to fraction form
    6,136.78/8,468.79 = 3,484.23/x
  3. Step 3: Cross multiply
    6,136.78x = 8,468.79 × 3,484.23
  4. Step 4: Simplify right side
    6,136.78x = 29,507,212.18
  5. Step 5: Solve for x
    x = 29,507,212.18/6,136.78
  6. Step 6: Final answer
    x = 4,808.26

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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.