Home / 3,476.48-5,213.44-1,424.64

Finding the Fourth Proportional to 3,476.48, 5,213.44 and 1,424.64

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Solution

The fourth proportional to 3,476.48, 5,213.44 and 1,424.64 is: 2,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.48 : 5,213.44 = 1,424.64 : x
  2. Step 2: Convert to fraction form
    3,476.48/5,213.44 = 1,424.64/x
  3. Step 3: Cross multiply
    3,476.48x = 5,213.44 × 1,424.64
  4. Step 4: Simplify right side
    3,476.48x = 7,427,275.16
  5. Step 5: Solve for x
    x = 7,427,275.16/3,476.48
  6. Step 6: Final answer
    x = 2,136.44

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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.