Home / 2,835.41-3,912.03-1,656.45

Finding the Fourth Proportional to 2,835.41, 3,912.03 and 1,656.45

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Solution

The fourth proportional to 2,835.41, 3,912.03 and 1,656.45 is: 2,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.41 : 3,912.03 = 1,656.45 : x
  2. Step 2: Convert to fraction form
    2,835.41/3,912.03 = 1,656.45/x
  3. Step 3: Cross multiply
    2,835.41x = 3,912.03 × 1,656.45
  4. Step 4: Simplify right side
    2,835.41x = 6,480,082.09
  5. Step 5: Solve for x
    x = 6,480,082.09/2,835.41
  6. Step 6: Final answer
    x = 2,285.42

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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.