Home / 2,036.70-2,811.18-1,153.02

Finding the Fourth Proportional to 2,036.70, 2,811.18 and 1,153.02

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Solution

The fourth proportional to 2,036.70, 2,811.18 and 1,153.02 is: 1,591.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.70 : 2,811.18 = 1,153.02 : x
  2. Step 2: Convert to fraction form
    2,036.70/2,811.18 = 1,153.02/x
  3. Step 3: Cross multiply
    2,036.70x = 2,811.18 × 1,153.02
  4. Step 4: Simplify right side
    2,036.70x = 3,241,346.76
  5. Step 5: Solve for x
    x = 3,241,346.76/2,036.70
  6. Step 6: Final answer
    x = 1,591.47

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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.