Home / 2,975.82-4,106.28-1,716.42

Finding the Fourth Proportional to 2,975.82, 4,106.28 and 1,716.42

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Solution

The fourth proportional to 2,975.82, 4,106.28 and 1,716.42 is: 2,368.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.82 : 4,106.28 = 1,716.42 : x
  2. Step 2: Convert to fraction form
    2,975.82/4,106.28 = 1,716.42/x
  3. Step 3: Cross multiply
    2,975.82x = 4,106.28 × 1,716.42
  4. Step 4: Simplify right side
    2,975.82x = 7,048,101.12
  5. Step 5: Solve for x
    x = 7,048,101.12/2,975.82
  6. Step 6: Final answer
    x = 2,368.46

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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.