Home / 2,975.07-4,105.78-1,716.11

Finding the Fourth Proportional to 2,975.07, 4,105.78 and 1,716.11

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Solution

The fourth proportional to 2,975.07, 4,105.78 and 1,716.11 is: 2,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.07 : 4,105.78 = 1,716.11 : x
  2. Step 2: Convert to fraction form
    2,975.07/4,105.78 = 1,716.11/x
  3. Step 3: Cross multiply
    2,975.07x = 4,105.78 × 1,716.11
  4. Step 4: Simplify right side
    2,975.07x = 7,045,953.88
  5. Step 5: Solve for x
    x = 7,045,953.88/2,975.07
  6. Step 6: Final answer
    x = 2,368.33

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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.