Home / 3,695.58-5,101.65-2,123.37

Finding the Fourth Proportional to 3,695.58, 5,101.65 and 2,123.37

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Solution

The fourth proportional to 3,695.58, 5,101.65 and 2,123.37 is: 2,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,695.58 : 5,101.65 = 2,123.37 : x
  2. Step 2: Convert to fraction form
    3,695.58/5,101.65 = 2,123.37/x
  3. Step 3: Cross multiply
    3,695.58x = 5,101.65 × 2,123.37
  4. Step 4: Simplify right side
    3,695.58x = 10,832,690.56
  5. Step 5: Solve for x
    x = 10,832,690.56/3,695.58
  6. Step 6: Final answer
    x = 2,931.26

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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.