Home / 1,862.51-2,569.88-1,199.27

Finding the Fourth Proportional to 1,862.51, 2,569.88 and 1,199.27

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Solution

The fourth proportional to 1,862.51, 2,569.88 and 1,199.27 is: 1,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.51 : 2,569.88 = 1,199.27 : x
  2. Step 2: Convert to fraction form
    1,862.51/2,569.88 = 1,199.27/x
  3. Step 3: Cross multiply
    1,862.51x = 2,569.88 × 1,199.27
  4. Step 4: Simplify right side
    1,862.51x = 3,081,961.14
  5. Step 5: Solve for x
    x = 3,081,961.14/1,862.51
  6. Step 6: Final answer
    x = 1,654.74

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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.