Home / 1,883.72-2,819.10-1,153.64

Finding the Fourth Proportional to 1,883.72, 2,819.10 and 1,153.64

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Solution

The fourth proportional to 1,883.72, 2,819.10 and 1,153.64 is: 1,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.72 : 2,819.10 = 1,153.64 : x
  2. Step 2: Convert to fraction form
    1,883.72/2,819.10 = 1,153.64/x
  3. Step 3: Cross multiply
    1,883.72x = 2,819.10 × 1,153.64
  4. Step 4: Simplify right side
    1,883.72x = 3,252,226.52
  5. Step 5: Solve for x
    x = 3,252,226.52/1,883.72
  6. Step 6: Final answer
    x = 1,726.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.