Home / 4,403.55-6,603.40-1,665.63

Finding the Fourth Proportional to 4,403.55, 6,603.40 and 1,665.63

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Solution

The fourth proportional to 4,403.55, 6,603.40 and 1,665.63 is: 2,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403.55 : 6,603.40 = 1,665.63 : x
  2. Step 2: Convert to fraction form
    4,403.55/6,603.40 = 1,665.63/x
  3. Step 3: Cross multiply
    4,403.55x = 6,603.40 × 1,665.63
  4. Step 4: Simplify right side
    4,403.55x = 10,998,783.96
  5. Step 5: Solve for x
    x = 10,998,783.96/4,403.55
  6. Step 6: Final answer
    x = 2,497.71

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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.