Home / 1,635.13-2,452.74-709.99

Finding the Fourth Proportional to 1,635.13, 2,452.74 and 709.99

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Solution

The fourth proportional to 1,635.13, 2,452.74 and 709.99 is: 1,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.13 : 2,452.74 = 709.99 : x
  2. Step 2: Convert to fraction form
    1,635.13/2,452.74 = 709.99/x
  3. Step 3: Cross multiply
    1,635.13x = 2,452.74 × 709.99
  4. Step 4: Simplify right side
    1,635.13x = 1,741,420.87
  5. Step 5: Solve for x
    x = 1,741,420.87/1,635.13
  6. Step 6: Final answer
    x = 1,065.00

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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.