Home / 2,699.99-3,725.91-1,521.03

Finding the Fourth Proportional to 2,699.99, 3,725.91 and 1,521.03

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Solution

The fourth proportional to 2,699.99, 3,725.91 and 1,521.03 is: 2,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.99 : 3,725.91 = 1,521.03 : x
  2. Step 2: Convert to fraction form
    2,699.99/3,725.91 = 1,521.03/x
  3. Step 3: Cross multiply
    2,699.99x = 3,725.91 × 1,521.03
  4. Step 4: Simplify right side
    2,699.99x = 5,667,220.89
  5. Step 5: Solve for x
    x = 5,667,220.89/2,699.99
  6. Step 6: Final answer
    x = 2,098.98

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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.