Home / 3,153.06-4,350.81-1,893.92

Finding the Fourth Proportional to 3,153.06, 4,350.81 and 1,893.92

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Solution

The fourth proportional to 3,153.06, 4,350.81 and 1,893.92 is: 2,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.06 : 4,350.81 = 1,893.92 : x
  2. Step 2: Convert to fraction form
    3,153.06/4,350.81 = 1,893.92/x
  3. Step 3: Cross multiply
    3,153.06x = 4,350.81 × 1,893.92
  4. Step 4: Simplify right side
    3,153.06x = 8,240,071.42
  5. Step 5: Solve for x
    x = 8,240,071.42/3,153.06
  6. Step 6: Final answer
    x = 2,613.36

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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.