Home / 2,742.36-3,784.44-1,500.36

Finding the Fourth Proportional to 2,742.36, 3,784.44 and 1,500.36

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Solution

The fourth proportional to 2,742.36, 3,784.44 and 1,500.36 is: 2,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.36 : 3,784.44 = 1,500.36 : x
  2. Step 2: Convert to fraction form
    2,742.36/3,784.44 = 1,500.36/x
  3. Step 3: Cross multiply
    2,742.36x = 3,784.44 × 1,500.36
  4. Step 4: Simplify right side
    2,742.36x = 5,678,022.40
  5. Step 5: Solve for x
    x = 5,678,022.40/2,742.36
  6. Step 6: Final answer
    x = 2,070.49

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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.