Home / 1,852.66-2,553.96-1,327.78

Finding the Fourth Proportional to 1,852.66, 2,553.96 and 1,327.78

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Solution

The fourth proportional to 1,852.66, 2,553.96 and 1,327.78 is: 1,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.66 : 2,553.96 = 1,327.78 : x
  2. Step 2: Convert to fraction form
    1,852.66/2,553.96 = 1,327.78/x
  3. Step 3: Cross multiply
    1,852.66x = 2,553.96 × 1,327.78
  4. Step 4: Simplify right side
    1,852.66x = 3,391,097.01
  5. Step 5: Solve for x
    x = 3,391,097.01/1,852.66
  6. Step 6: Final answer
    x = 1,830.39

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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.