Home / 2,681.12-4,022.36-1,037.24

Finding the Fourth Proportional to 2,681.12, 4,022.36 and 1,037.24

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Solution

The fourth proportional to 2,681.12, 4,022.36 and 1,037.24 is: 1,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.12 : 4,022.36 = 1,037.24 : x
  2. Step 2: Convert to fraction form
    2,681.12/4,022.36 = 1,037.24/x
  3. Step 3: Cross multiply
    2,681.12x = 4,022.36 × 1,037.24
  4. Step 4: Simplify right side
    2,681.12x = 4,172,152.69
  5. Step 5: Solve for x
    x = 4,172,152.69/2,681.12
  6. Step 6: Final answer
    x = 1,556.12

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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.