Home / 4,985.10-7,476.60-2,517.60

Finding the Fourth Proportional to 4,985.10, 7,476.60 and 2,517.60

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Solution

The fourth proportional to 4,985.10, 7,476.60 and 2,517.60 is: 3,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.10 : 7,476.60 = 2,517.60 : x
  2. Step 2: Convert to fraction form
    4,985.10/7,476.60 = 2,517.60/x
  3. Step 3: Cross multiply
    4,985.10x = 7,476.60 × 2,517.60
  4. Step 4: Simplify right side
    4,985.10x = 18,823,088.16
  5. Step 5: Solve for x
    x = 18,823,088.16/4,985.10
  6. Step 6: Final answer
    x = 3,775.87

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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.