Home / 4,993.12-6,888.84-2,896.72

Finding the Fourth Proportional to 4,993.12, 6,888.84 and 2,896.72

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Solution

The fourth proportional to 4,993.12, 6,888.84 and 2,896.72 is: 3,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.12 : 6,888.84 = 2,896.72 : x
  2. Step 2: Convert to fraction form
    4,993.12/6,888.84 = 2,896.72/x
  3. Step 3: Cross multiply
    4,993.12x = 6,888.84 × 2,896.72
  4. Step 4: Simplify right side
    4,993.12x = 19,955,040.60
  5. Step 5: Solve for x
    x = 19,955,040.60/4,993.12
  6. Step 6: Final answer
    x = 3,996.51

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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.