Home / 2,665.18-3,998.87-1,495.99

Finding the Fourth Proportional to 2,665.18, 3,998.87 and 1,495.99

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Solution

The fourth proportional to 2,665.18, 3,998.87 and 1,495.99 is: 2,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665.18 : 3,998.87 = 1,495.99 : x
  2. Step 2: Convert to fraction form
    2,665.18/3,998.87 = 1,495.99/x
  3. Step 3: Cross multiply
    2,665.18x = 3,998.87 × 1,495.99
  4. Step 4: Simplify right side
    2,665.18x = 5,982,242.06
  5. Step 5: Solve for x
    x = 5,982,242.06/2,665.18
  6. Step 6: Final answer
    x = 2,244.60

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1.5x scale

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.