Home / 1,913.76-2,634.94-1,738.58

Finding the Fourth Proportional to 1,913.76, 2,634.94 and 1,738.58

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Solution

The fourth proportional to 1,913.76, 2,634.94 and 1,738.58 is: 2,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.76 : 2,634.94 = 1,738.58 : x
  2. Step 2: Convert to fraction form
    1,913.76/2,634.94 = 1,738.58/x
  3. Step 3: Cross multiply
    1,913.76x = 2,634.94 × 1,738.58
  4. Step 4: Simplify right side
    1,913.76x = 4,581,060.25
  5. Step 5: Solve for x
    x = 4,581,060.25/1,913.76
  6. Step 6: Final answer
    x = 2,393.75

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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.