Home / 1,850.51-2,553.88-1,011.34

Finding the Fourth Proportional to 1,850.51, 2,553.88 and 1,011.34

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Solution

The fourth proportional to 1,850.51, 2,553.88 and 1,011.34 is: 1,395.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.51 : 2,553.88 = 1,011.34 : x
  2. Step 2: Convert to fraction form
    1,850.51/2,553.88 = 1,011.34/x
  3. Step 3: Cross multiply
    1,850.51x = 2,553.88 × 1,011.34
  4. Step 4: Simplify right side
    1,850.51x = 2,582,845.46
  5. Step 5: Solve for x
    x = 2,582,845.46/1,850.51
  6. Step 6: Final answer
    x = 1,395.75

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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.