Home / 2,063.73-2,848.95-1,391.70

Finding the Fourth Proportional to 2,063.73, 2,848.95 and 1,391.70

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Solution

The fourth proportional to 2,063.73, 2,848.95 and 1,391.70 is: 1,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.73 : 2,848.95 = 1,391.70 : x
  2. Step 2: Convert to fraction form
    2,063.73/2,848.95 = 1,391.70/x
  3. Step 3: Cross multiply
    2,063.73x = 2,848.95 × 1,391.70
  4. Step 4: Simplify right side
    2,063.73x = 3,964,883.72
  5. Step 5: Solve for x
    x = 3,964,883.72/2,063.73
  6. Step 6: Final answer
    x = 1,921.22

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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.