Home / 2,043.21-2,819.52-1,158.99

Finding the Fourth Proportional to 2,043.21, 2,819.52 and 1,158.99

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Solution

The fourth proportional to 2,043.21, 2,819.52 and 1,158.99 is: 1,599.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.21 : 2,819.52 = 1,158.99 : x
  2. Step 2: Convert to fraction form
    2,043.21/2,819.52 = 1,158.99/x
  3. Step 3: Cross multiply
    2,043.21x = 2,819.52 × 1,158.99
  4. Step 4: Simplify right side
    2,043.21x = 3,267,795.48
  5. Step 5: Solve for x
    x = 3,267,795.48/2,043.21
  6. Step 6: Final answer
    x = 1,599.34

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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.