Home / 4,990.02-6,886.28-2,751.98

Finding the Fourth Proportional to 4,990.02, 6,886.28 and 2,751.98

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Solution

The fourth proportional to 4,990.02, 6,886.28 and 2,751.98 is: 3,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.02 : 6,886.28 = 2,751.98 : x
  2. Step 2: Convert to fraction form
    4,990.02/6,886.28 = 2,751.98/x
  3. Step 3: Cross multiply
    4,990.02x = 6,886.28 × 2,751.98
  4. Step 4: Simplify right side
    4,990.02x = 18,950,904.83
  5. Step 5: Solve for x
    x = 18,950,904.83/4,990.02
  6. Step 6: Final answer
    x = 3,797.76

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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.