Home / 2,698.85-3,724.35-1,519.93

Finding the Fourth Proportional to 2,698.85, 3,724.35 and 1,519.93

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Solution

The fourth proportional to 2,698.85, 3,724.35 and 1,519.93 is: 2,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.85 : 3,724.35 = 1,519.93 : x
  2. Step 2: Convert to fraction form
    2,698.85/3,724.35 = 1,519.93/x
  3. Step 3: Cross multiply
    2,698.85x = 3,724.35 × 1,519.93
  4. Step 4: Simplify right side
    2,698.85x = 5,660,732.67
  5. Step 5: Solve for x
    x = 5,660,732.67/2,698.85
  6. Step 6: Final answer
    x = 2,097.46

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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.