Home / 2,975.09-4,105.56-1,716.06

Finding the Fourth Proportional to 2,975.09, 4,105.56 and 1,716.06

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Solution

The fourth proportional to 2,975.09, 4,105.56 and 1,716.06 is: 2,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.09 : 4,105.56 = 1,716.06 : x
  2. Step 2: Convert to fraction form
    2,975.09/4,105.56 = 1,716.06/x
  3. Step 3: Cross multiply
    2,975.09x = 4,105.56 × 1,716.06
  4. Step 4: Simplify right side
    2,975.09x = 7,045,387.29
  5. Step 5: Solve for x
    x = 7,045,387.29/2,975.09
  6. Step 6: Final answer
    x = 2,368.13

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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.