Home / 1,935.68-2,886.51-1,918.13

Finding the Fourth Proportional to 1,935.68, 2,886.51 and 1,918.13

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Solution

The fourth proportional to 1,935.68, 2,886.51 and 1,918.13 is: 2,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.68 : 2,886.51 = 1,918.13 : x
  2. Step 2: Convert to fraction form
    1,935.68/2,886.51 = 1,918.13/x
  3. Step 3: Cross multiply
    1,935.68x = 2,886.51 × 1,918.13
  4. Step 4: Simplify right side
    1,935.68x = 5,536,691.84
  5. Step 5: Solve for x
    x = 5,536,691.84/1,935.68
  6. Step 6: Final answer
    x = 2,860.33

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1.5x scale

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.