Home / 2,161.52-2,983.08-1,829.52

Finding the Fourth Proportional to 2,161.52, 2,983.08 and 1,829.52

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Solution

The fourth proportional to 2,161.52, 2,983.08 and 1,829.52 is: 2,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.52 : 2,983.08 = 1,829.52 : x
  2. Step 2: Convert to fraction form
    2,161.52/2,983.08 = 1,829.52/x
  3. Step 3: Cross multiply
    2,161.52x = 2,983.08 × 1,829.52
  4. Step 4: Simplify right side
    2,161.52x = 5,457,604.52
  5. Step 5: Solve for x
    x = 5,457,604.52/2,161.52
  6. Step 6: Final answer
    x = 2,524.89

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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.