Home / 2,715.52-3,749.10-2,084.84

Finding the Fourth Proportional to 2,715.52, 3,749.10 and 2,084.84

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Solution

The fourth proportional to 2,715.52, 3,749.10 and 2,084.84 is: 2,878.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.52 : 3,749.10 = 2,084.84 : x
  2. Step 2: Convert to fraction form
    2,715.52/3,749.10 = 2,084.84/x
  3. Step 3: Cross multiply
    2,715.52x = 3,749.10 × 2,084.84
  4. Step 4: Simplify right side
    2,715.52x = 7,816,273.64
  5. Step 5: Solve for x
    x = 7,816,273.64/2,715.52
  6. Step 6: Final answer
    x = 2,878.37

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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.