Home / 3,476.14-5,215.53-2,090.45

Finding the Fourth Proportional to 3,476.14, 5,215.53 and 2,090.45

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Solution

The fourth proportional to 3,476.14, 5,215.53 and 2,090.45 is: 3,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.14 : 5,215.53 = 2,090.45 : x
  2. Step 2: Convert to fraction form
    3,476.14/5,215.53 = 2,090.45/x
  3. Step 3: Cross multiply
    3,476.14x = 5,215.53 × 2,090.45
  4. Step 4: Simplify right side
    3,476.14x = 10,902,804.69
  5. Step 5: Solve for x
    x = 10,902,804.69/3,476.14
  6. Step 6: Final answer
    x = 3,136.47

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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.