Home / 4,123.19-5,690.21-2,355.37

Finding the Fourth Proportional to 4,123.19, 5,690.21 and 2,355.37

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Solution

The fourth proportional to 4,123.19, 5,690.21 and 2,355.37 is: 3,250.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.19 : 5,690.21 = 2,355.37 : x
  2. Step 2: Convert to fraction form
    4,123.19/5,690.21 = 2,355.37/x
  3. Step 3: Cross multiply
    4,123.19x = 5,690.21 × 2,355.37
  4. Step 4: Simplify right side
    4,123.19x = 13,402,549.93
  5. Step 5: Solve for x
    x = 13,402,549.93/4,123.19
  6. Step 6: Final answer
    x = 3,250.53

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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.