Home / 4,635.31-6,985.54-4,173.61

Finding the Fourth Proportional to 4,635.31, 6,985.54 and 4,173.61

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Solution

The fourth proportional to 4,635.31, 6,985.54 and 4,173.61 is: 6,289.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635.31 : 6,985.54 = 4,173.61 : x
  2. Step 2: Convert to fraction form
    4,635.31/6,985.54 = 4,173.61/x
  3. Step 3: Cross multiply
    4,635.31x = 6,985.54 × 4,173.61
  4. Step 4: Simplify right side
    4,635.31x = 29,154,919.60
  5. Step 5: Solve for x
    x = 29,154,919.60/4,635.31
  6. Step 6: Final answer
    x = 6,289.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.