Home / 5,110.83-7,053.02-2,986.92

Finding the Fourth Proportional to 5,110.83, 7,053.02 and 2,986.92

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Solution

The fourth proportional to 5,110.83, 7,053.02 and 2,986.92 is: 4,121.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.83 : 7,053.02 = 2,986.92 : x
  2. Step 2: Convert to fraction form
    5,110.83/7,053.02 = 2,986.92/x
  3. Step 3: Cross multiply
    5,110.83x = 7,053.02 × 2,986.92
  4. Step 4: Simplify right side
    5,110.83x = 21,066,806.50
  5. Step 5: Solve for x
    x = 21,066,806.50/5,110.83
  6. Step 6: Final answer
    x = 4,121.99

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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.