Home / 2,085.13-2,877.19-1,200.97

Finding the Fourth Proportional to 2,085.13, 2,877.19 and 1,200.97

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Solution

The fourth proportional to 2,085.13, 2,877.19 and 1,200.97 is: 1,657.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.13 : 2,877.19 = 1,200.97 : x
  2. Step 2: Convert to fraction form
    2,085.13/2,877.19 = 1,200.97/x
  3. Step 3: Cross multiply
    2,085.13x = 2,877.19 × 1,200.97
  4. Step 4: Simplify right side
    2,085.13x = 3,455,418.87
  5. Step 5: Solve for x
    x = 3,455,418.87/2,085.13
  6. Step 6: Final answer
    x = 1,657.17

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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.