Home / 4,123.74-5,690.83-2,355.35

Finding the Fourth Proportional to 4,123.74, 5,690.83 and 2,355.35

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Solution

The fourth proportional to 4,123.74, 5,690.83 and 2,355.35 is: 3,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.74 : 5,690.83 = 2,355.35 : x
  2. Step 2: Convert to fraction form
    4,123.74/5,690.83 = 2,355.35/x
  3. Step 3: Cross multiply
    4,123.74x = 5,690.83 × 2,355.35
  4. Step 4: Simplify right side
    4,123.74x = 13,403,896.44
  5. Step 5: Solve for x
    x = 13,403,896.44/4,123.74
  6. Step 6: Final answer
    x = 3,250.42

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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.