Home / 2,092.70-2,888.88-1,347.07

Finding the Fourth Proportional to 2,092.70, 2,888.88 and 1,347.07

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Solution

The fourth proportional to 2,092.70, 2,888.88 and 1,347.07 is: 1,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.70 : 2,888.88 = 1,347.07 : x
  2. Step 2: Convert to fraction form
    2,092.70/2,888.88 = 1,347.07/x
  3. Step 3: Cross multiply
    2,092.70x = 2,888.88 × 1,347.07
  4. Step 4: Simplify right side
    2,092.70x = 3,891,523.58
  5. Step 5: Solve for x
    x = 3,891,523.58/2,092.70
  6. Step 6: Final answer
    x = 1,859.57

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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.