Home / 2,049.84-2,828.70-1,118.34

Finding the Fourth Proportional to 2,049.84, 2,828.70 and 1,118.34

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Solution

The fourth proportional to 2,049.84, 2,828.70 and 1,118.34 is: 1,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.84 : 2,828.70 = 1,118.34 : x
  2. Step 2: Convert to fraction form
    2,049.84/2,828.70 = 1,118.34/x
  3. Step 3: Cross multiply
    2,049.84x = 2,828.70 × 1,118.34
  4. Step 4: Simplify right side
    2,049.84x = 3,163,448.36
  5. Step 5: Solve for x
    x = 3,163,448.36/2,049.84
  6. Step 6: Final answer
    x = 1,543.27

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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.