Home / 5,920.02-8,877.15-3,455.64

Finding the Fourth Proportional to 5,920.02, 8,877.15 and 3,455.64

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Solution

The fourth proportional to 5,920.02, 8,877.15 and 3,455.64 is: 5,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.02 : 8,877.15 = 3,455.64 : x
  2. Step 2: Convert to fraction form
    5,920.02/8,877.15 = 3,455.64/x
  3. Step 3: Cross multiply
    5,920.02x = 8,877.15 × 3,455.64
  4. Step 4: Simplify right side
    5,920.02x = 30,676,234.63
  5. Step 5: Solve for x
    x = 30,676,234.63/5,920.02
  6. Step 6: Final answer
    x = 5,181.78

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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.