Home / 2,942.49-4,060.76-1,683.75

Finding the Fourth Proportional to 2,942.49, 4,060.76 and 1,683.75

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Solution

The fourth proportional to 2,942.49, 4,060.76 and 1,683.75 is: 2,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.49 : 4,060.76 = 1,683.75 : x
  2. Step 2: Convert to fraction form
    2,942.49/4,060.76 = 1,683.75/x
  3. Step 3: Cross multiply
    2,942.49x = 4,060.76 × 1,683.75
  4. Step 4: Simplify right side
    2,942.49x = 6,837,296.23
  5. Step 5: Solve for x
    x = 6,837,296.23/2,942.49
  6. Step 6: Final answer
    x = 2,323.64

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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.