Home / 2,299.89-3,173.91-1,416.20

Finding the Fourth Proportional to 2,299.89, 3,173.91 and 1,416.20

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Solution

The fourth proportional to 2,299.89, 3,173.91 and 1,416.20 is: 1,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.89 : 3,173.91 = 1,416.20 : x
  2. Step 2: Convert to fraction form
    2,299.89/3,173.91 = 1,416.20/x
  3. Step 3: Cross multiply
    2,299.89x = 3,173.91 × 1,416.20
  4. Step 4: Simplify right side
    2,299.89x = 4,494,875.47
  5. Step 5: Solve for x
    x = 4,494,875.47/2,299.89
  6. Step 6: Final answer
    x = 1,954.39

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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.