Home / 1,844.84-2,545.90-1,005.56

Finding the Fourth Proportional to 1,844.84, 2,545.90 and 1,005.56

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Solution

The fourth proportional to 1,844.84, 2,545.90 and 1,005.56 is: 1,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.84 : 2,545.90 = 1,005.56 : x
  2. Step 2: Convert to fraction form
    1,844.84/2,545.90 = 1,005.56/x
  3. Step 3: Cross multiply
    1,844.84x = 2,545.90 × 1,005.56
  4. Step 4: Simplify right side
    1,844.84x = 2,560,055.20
  5. Step 5: Solve for x
    x = 2,560,055.20/1,844.84
  6. Step 6: Final answer
    x = 1,387.68

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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.