Home / 2,037.32-2,811.48-1,153.15

Finding the Fourth Proportional to 2,037.32, 2,811.48 and 1,153.15

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Solution

The fourth proportional to 2,037.32, 2,811.48 and 1,153.15 is: 1,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,037.32 : 2,811.48 = 1,153.15 : x
  2. Step 2: Convert to fraction form
    2,037.32/2,811.48 = 1,153.15/x
  3. Step 3: Cross multiply
    2,037.32x = 2,811.48 × 1,153.15
  4. Step 4: Simplify right side
    2,037.32x = 3,242,062.62
  5. Step 5: Solve for x
    x = 3,242,062.62/2,037.32
  6. Step 6: Final answer
    x = 1,591.34

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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.