Home / 2,040.96-2,817.17-1,157.35

Finding the Fourth Proportional to 2,040.96, 2,817.17 and 1,157.35

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Solution

The fourth proportional to 2,040.96, 2,817.17 and 1,157.35 is: 1,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.96 : 2,817.17 = 1,157.35 : x
  2. Step 2: Convert to fraction form
    2,040.96/2,817.17 = 1,157.35/x
  3. Step 3: Cross multiply
    2,040.96x = 2,817.17 × 1,157.35
  4. Step 4: Simplify right side
    2,040.96x = 3,260,445.91
  5. Step 5: Solve for x
    x = 3,260,445.91/2,040.96
  6. Step 6: Final answer
    x = 1,597.51

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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.