Home / 1,653.68-2,282.38-1,236.13

Finding the Fourth Proportional to 1,653.68, 2,282.38 and 1,236.13

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Solution

The fourth proportional to 1,653.68, 2,282.38 and 1,236.13 is: 1,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653.68 : 2,282.38 = 1,236.13 : x
  2. Step 2: Convert to fraction form
    1,653.68/2,282.38 = 1,236.13/x
  3. Step 3: Cross multiply
    1,653.68x = 2,282.38 × 1,236.13
  4. Step 4: Simplify right side
    1,653.68x = 2,821,309.59
  5. Step 5: Solve for x
    x = 2,821,309.59/1,653.68
  6. Step 6: Final answer
    x = 1,706.08

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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.