Home / 1,905.80-2,870.77-1,733.58

Finding the Fourth Proportional to 1,905.80, 2,870.77 and 1,733.58

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Solution

The fourth proportional to 1,905.80, 2,870.77 and 1,733.58 is: 2,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.80 : 2,870.77 = 1,733.58 : x
  2. Step 2: Convert to fraction form
    1,905.80/2,870.77 = 1,733.58/x
  3. Step 3: Cross multiply
    1,905.80x = 2,870.77 × 1,733.58
  4. Step 4: Simplify right side
    1,905.80x = 4,976,709.46
  5. Step 5: Solve for x
    x = 4,976,709.46/1,905.80
  6. Step 6: Final answer
    x = 2,611.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.