Home / 2,090.76-3,136.14-1,051.32

Finding the Fourth Proportional to 2,090.76, 3,136.14 and 1,051.32

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Solution

The fourth proportional to 2,090.76, 3,136.14 and 1,051.32 is: 1,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.76 : 3,136.14 = 1,051.32 : x
  2. Step 2: Convert to fraction form
    2,090.76/3,136.14 = 1,051.32/x
  3. Step 3: Cross multiply
    2,090.76x = 3,136.14 × 1,051.32
  4. Step 4: Simplify right side
    2,090.76x = 3,297,086.70
  5. Step 5: Solve for x
    x = 3,297,086.70/2,090.76
  6. Step 6: Final answer
    x = 1,576.98

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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.