Home / 2,322.88-3,205.64-1,275.01

Finding the Fourth Proportional to 2,322.88, 3,205.64 and 1,275.01

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Solution

The fourth proportional to 2,322.88, 3,205.64 and 1,275.01 is: 1,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.88 : 3,205.64 = 1,275.01 : x
  2. Step 2: Convert to fraction form
    2,322.88/3,205.64 = 1,275.01/x
  3. Step 3: Cross multiply
    2,322.88x = 3,205.64 × 1,275.01
  4. Step 4: Simplify right side
    2,322.88x = 4,087,223.06
  5. Step 5: Solve for x
    x = 4,087,223.06/2,322.88
  6. Step 6: Final answer
    x = 1,759.55

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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.