Home / 5,603.32-8,404.96-1,905.92

Finding the Fourth Proportional to 5,603.32, 8,404.96 and 1,905.92

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Solution

The fourth proportional to 5,603.32, 8,404.96 and 1,905.92 is: 2,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.32 : 8,404.96 = 1,905.92 : x
  2. Step 2: Convert to fraction form
    5,603.32/8,404.96 = 1,905.92/x
  3. Step 3: Cross multiply
    5,603.32x = 8,404.96 × 1,905.92
  4. Step 4: Simplify right side
    5,603.32x = 16,019,181.36
  5. Step 5: Solve for x
    x = 16,019,181.36/5,603.32
  6. Step 6: Final answer
    x = 2,858.87

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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.