Home / 1,853.17-2,766.24-1,619.64

Finding the Fourth Proportional to 1,853.17, 2,766.24 and 1,619.64

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Solution

The fourth proportional to 1,853.17, 2,766.24 and 1,619.64 is: 2,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.17 : 2,766.24 = 1,619.64 : x
  2. Step 2: Convert to fraction form
    1,853.17/2,766.24 = 1,619.64/x
  3. Step 3: Cross multiply
    1,853.17x = 2,766.24 × 1,619.64
  4. Step 4: Simplify right side
    1,853.17x = 4,480,312.95
  5. Step 5: Solve for x
    x = 4,480,312.95/1,853.17
  6. Step 6: Final answer
    x = 2,417.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.