Home / 2,056.96-3,082.68-1,326.16

Finding the Fourth Proportional to 2,056.96, 3,082.68 and 1,326.16

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Solution

The fourth proportional to 2,056.96, 3,082.68 and 1,326.16 is: 1,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.96 : 3,082.68 = 1,326.16 : x
  2. Step 2: Convert to fraction form
    2,056.96/3,082.68 = 1,326.16/x
  3. Step 3: Cross multiply
    2,056.96x = 3,082.68 × 1,326.16
  4. Step 4: Simplify right side
    2,056.96x = 4,088,126.91
  5. Step 5: Solve for x
    x = 4,088,126.91/2,056.96
  6. Step 6: Final answer
    x = 1,987.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.