Home / 3,574.63-4,932.90-1,981.16

Finding the Fourth Proportional to 3,574.63, 4,932.90 and 1,981.16

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Solution

The fourth proportional to 3,574.63, 4,932.90 and 1,981.16 is: 2,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,574.63 : 4,932.90 = 1,981.16 : x
  2. Step 2: Convert to fraction form
    3,574.63/4,932.90 = 1,981.16/x
  3. Step 3: Cross multiply
    3,574.63x = 4,932.90 × 1,981.16
  4. Step 4: Simplify right side
    3,574.63x = 9,772,858.00
  5. Step 5: Solve for x
    x = 9,772,858.00/3,574.63
  6. Step 6: Final answer
    x = 2,733.95

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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.