Home / 1,850.37-2,553.48-1,011.09

Finding the Fourth Proportional to 1,850.37, 2,553.48 and 1,011.09

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Solution

The fourth proportional to 1,850.37, 2,553.48 and 1,011.09 is: 1,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.37 : 2,553.48 = 1,011.09 : x
  2. Step 2: Convert to fraction form
    1,850.37/2,553.48 = 1,011.09/x
  3. Step 3: Cross multiply
    1,850.37x = 2,553.48 × 1,011.09
  4. Step 4: Simplify right side
    1,850.37x = 2,581,798.09
  5. Step 5: Solve for x
    x = 2,581,798.09/1,850.37
  6. Step 6: Final answer
    x = 1,395.29

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1.5x scale

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.