Home / 2,036.68-2,811.16-1,153

Finding the Fourth Proportional to 2,036.68, 2,811.16 and 1,153

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Solution

The fourth proportional to 2,036.68, 2,811.16 and 1,153 is: 1,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.68 : 2,811.16 = 1,153 : x
  2. Step 2: Convert to fraction form
    2,036.68/2,811.16 = 1,153/x
  3. Step 3: Cross multiply
    2,036.68x = 2,811.16 × 1,153
  4. Step 4: Simplify right side
    2,036.68x = 3,241,267.48
  5. Step 5: Solve for x
    x = 3,241,267.48/2,036.68
  6. Step 6: Final answer
    x = 1,591.45

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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.