Home / 2,089.80-2,886.21-1,623.33

Finding the Fourth Proportional to 2,089.80, 2,886.21 and 1,623.33

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Solution

The fourth proportional to 2,089.80, 2,886.21 and 1,623.33 is: 2,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.80 : 2,886.21 = 1,623.33 : x
  2. Step 2: Convert to fraction form
    2,089.80/2,886.21 = 1,623.33/x
  3. Step 3: Cross multiply
    2,089.80x = 2,886.21 × 1,623.33
  4. Step 4: Simplify right side
    2,089.80x = 4,685,271.28
  5. Step 5: Solve for x
    x = 4,685,271.28/2,089.80
  6. Step 6: Final answer
    x = 2,241.97

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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.