Home / 3,251.07-4,486.47-1,758.99

Finding the Fourth Proportional to 3,251.07, 4,486.47 and 1,758.99

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Solution

The fourth proportional to 3,251.07, 4,486.47 and 1,758.99 is: 2,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.07 : 4,486.47 = 1,758.99 : x
  2. Step 2: Convert to fraction form
    3,251.07/4,486.47 = 1,758.99/x
  3. Step 3: Cross multiply
    3,251.07x = 4,486.47 × 1,758.99
  4. Step 4: Simplify right side
    3,251.07x = 7,891,655.87
  5. Step 5: Solve for x
    x = 7,891,655.87/3,251.07
  6. Step 6: Final answer
    x = 2,427.40

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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.