Home / 1,513.98-2,083.92-1,093.68

Finding the Fourth Proportional to 1,513.98, 2,083.92 and 1,093.68

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Solution

The fourth proportional to 1,513.98, 2,083.92 and 1,093.68 is: 1,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.98 : 2,083.92 = 1,093.68 : x
  2. Step 2: Convert to fraction form
    1,513.98/2,083.92 = 1,093.68/x
  3. Step 3: Cross multiply
    1,513.98x = 2,083.92 × 1,093.68
  4. Step 4: Simplify right side
    1,513.98x = 2,279,141.63
  5. Step 5: Solve for x
    x = 2,279,141.63/1,513.98
  6. Step 6: Final answer
    x = 1,505.40

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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.