Home / 3,603.24-5,403.02-1,653.75

Finding the Fourth Proportional to 3,603.24, 5,403.02 and 1,653.75

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Solution

The fourth proportional to 3,603.24, 5,403.02 and 1,653.75 is: 2,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.24 : 5,403.02 = 1,653.75 : x
  2. Step 2: Convert to fraction form
    3,603.24/5,403.02 = 1,653.75/x
  3. Step 3: Cross multiply
    3,603.24x = 5,403.02 × 1,653.75
  4. Step 4: Simplify right side
    3,603.24x = 8,935,236.06
  5. Step 5: Solve for x
    x = 8,935,236.06/3,603.24
  6. Step 6: Final answer
    x = 2,479.78

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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.