Home / 2,093.30-2,888.75-1,161.80

Finding the Fourth Proportional to 2,093.30, 2,888.75 and 1,161.80

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Solution

The fourth proportional to 2,093.30, 2,888.75 and 1,161.80 is: 1,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.30 : 2,888.75 = 1,161.80 : x
  2. Step 2: Convert to fraction form
    2,093.30/2,888.75 = 1,161.80/x
  3. Step 3: Cross multiply
    2,093.30x = 2,888.75 × 1,161.80
  4. Step 4: Simplify right side
    2,093.30x = 3,356,144.69
  5. Step 5: Solve for x
    x = 3,356,144.69/2,093.30
  6. Step 6: Final answer
    x = 1,603.28

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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.