Home / 1,862.80-2,805.35-1,696.73

Finding the Fourth Proportional to 1,862.80, 2,805.35 and 1,696.73

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Solution

The fourth proportional to 1,862.80, 2,805.35 and 1,696.73 is: 2,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.80 : 2,805.35 = 1,696.73 : x
  2. Step 2: Convert to fraction form
    1,862.80/2,805.35 = 1,696.73/x
  3. Step 3: Cross multiply
    1,862.80x = 2,805.35 × 1,696.73
  4. Step 4: Simplify right side
    1,862.80x = 4,759,899.00
  5. Step 5: Solve for x
    x = 4,759,899.00/1,862.80
  6. Step 6: Final answer
    x = 2,555.24

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1.5x scale

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.