Home / 4,189.60-6,281.82-1,416.01

Finding the Fourth Proportional to 4,189.60, 6,281.82 and 1,416.01

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Solution

The fourth proportional to 4,189.60, 6,281.82 and 1,416.01 is: 2,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.60 : 6,281.82 = 1,416.01 : x
  2. Step 2: Convert to fraction form
    4,189.60/6,281.82 = 1,416.01/x
  3. Step 3: Cross multiply
    4,189.60x = 6,281.82 × 1,416.01
  4. Step 4: Simplify right side
    4,189.60x = 8,895,119.94
  5. Step 5: Solve for x
    x = 8,895,119.94/4,189.60
  6. Step 6: Final answer
    x = 2,123.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.