Home / 2,041.32-2,816.92-1,157.11

Finding the Fourth Proportional to 2,041.32, 2,816.92 and 1,157.11

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Solution

The fourth proportional to 2,041.32, 2,816.92 and 1,157.11 is: 1,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.32 : 2,816.92 = 1,157.11 : x
  2. Step 2: Convert to fraction form
    2,041.32/2,816.92 = 1,157.11/x
  3. Step 3: Cross multiply
    2,041.32x = 2,816.92 × 1,157.11
  4. Step 4: Simplify right side
    2,041.32x = 3,259,486.30
  5. Step 5: Solve for x
    x = 3,259,486.30/2,041.32
  6. Step 6: Final answer
    x = 1,596.75

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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.