Home / 3,994.83-5,510.88-2,668.95

Finding the Fourth Proportional to 3,994.83, 5,510.88 and 2,668.95

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Solution

The fourth proportional to 3,994.83, 5,510.88 and 2,668.95 is: 3,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.83 : 5,510.88 = 2,668.95 : x
  2. Step 2: Convert to fraction form
    3,994.83/5,510.88 = 2,668.95/x
  3. Step 3: Cross multiply
    3,994.83x = 5,510.88 × 2,668.95
  4. Step 4: Simplify right side
    3,994.83x = 14,708,263.18
  5. Step 5: Solve for x
    x = 14,708,263.18/3,994.83
  6. Step 6: Final answer
    x = 3,681.82

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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.