Home / 2,892.23-3,991.28-1,565.93

Finding the Fourth Proportional to 2,892.23, 3,991.28 and 1,565.93

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Solution

The fourth proportional to 2,892.23, 3,991.28 and 1,565.93 is: 2,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.23 : 3,991.28 = 1,565.93 : x
  2. Step 2: Convert to fraction form
    2,892.23/3,991.28 = 1,565.93/x
  3. Step 3: Cross multiply
    2,892.23x = 3,991.28 × 1,565.93
  4. Step 4: Simplify right side
    2,892.23x = 6,250,065.09
  5. Step 5: Solve for x
    x = 6,250,065.09/2,892.23
  6. Step 6: Final answer
    x = 2,160.98

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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.