Home / 3,415.74-5,117.16-1,950.48

Finding the Fourth Proportional to 3,415.74, 5,117.16 and 1,950.48

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Solution

The fourth proportional to 3,415.74, 5,117.16 and 1,950.48 is: 2,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.74 : 5,117.16 = 1,950.48 : x
  2. Step 2: Convert to fraction form
    3,415.74/5,117.16 = 1,950.48/x
  3. Step 3: Cross multiply
    3,415.74x = 5,117.16 × 1,950.48
  4. Step 4: Simplify right side
    3,415.74x = 9,980,918.24
  5. Step 5: Solve for x
    x = 9,980,918.24/3,415.74
  6. Step 6: Final answer
    x = 2,922.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.