Home / 1,938.03-2,674.44-1,053.83

Finding the Fourth Proportional to 1,938.03, 2,674.44 and 1,053.83

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Solution

The fourth proportional to 1,938.03, 2,674.44 and 1,053.83 is: 1,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.03 : 2,674.44 = 1,053.83 : x
  2. Step 2: Convert to fraction form
    1,938.03/2,674.44 = 1,053.83/x
  3. Step 3: Cross multiply
    1,938.03x = 2,674.44 × 1,053.83
  4. Step 4: Simplify right side
    1,938.03x = 2,818,391.73
  5. Step 5: Solve for x
    x = 2,818,391.73/1,938.03
  6. Step 6: Final answer
    x = 1,454.26

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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.