Home / 2,683.36-3,700.21-2,122.93

Finding the Fourth Proportional to 2,683.36, 3,700.21 and 2,122.93

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Solution

The fourth proportional to 2,683.36, 3,700.21 and 2,122.93 is: 2,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.36 : 3,700.21 = 2,122.93 : x
  2. Step 2: Convert to fraction form
    2,683.36/3,700.21 = 2,122.93/x
  3. Step 3: Cross multiply
    2,683.36x = 3,700.21 × 2,122.93
  4. Step 4: Simplify right side
    2,683.36x = 7,855,286.82
  5. Step 5: Solve for x
    x = 7,855,286.82/2,683.36
  6. Step 6: Final answer
    x = 2,927.41

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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.