Home / 2,085.33-2,877.75-1,164.36

Finding the Fourth Proportional to 2,085.33, 2,877.75 and 1,164.36

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Solution

The fourth proportional to 2,085.33, 2,877.75 and 1,164.36 is: 1,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.33 : 2,877.75 = 1,164.36 : x
  2. Step 2: Convert to fraction form
    2,085.33/2,877.75 = 1,164.36/x
  3. Step 3: Cross multiply
    2,085.33x = 2,877.75 × 1,164.36
  4. Step 4: Simplify right side
    2,085.33x = 3,350,736.99
  5. Step 5: Solve for x
    x = 3,350,736.99/2,085.33
  6. Step 6: Final answer
    x = 1,606.81

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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.