Home / 5,083-7,638.18-4,750.84

Finding the Fourth Proportional to 5,083, 7,638.18 and 4,750.84

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Solution

The fourth proportional to 5,083, 7,638.18 and 4,750.84 is: 7,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083 : 7,638.18 = 4,750.84 : x
  2. Step 2: Convert to fraction form
    5,083/7,638.18 = 4,750.84/x
  3. Step 3: Cross multiply
    5,083x = 7,638.18 × 4,750.84
  4. Step 4: Simplify right side
    5,083x = 36,287,771.07
  5. Step 5: Solve for x
    x = 36,287,771.07/5,083
  6. Step 6: Final answer
    x = 7,139.05

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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.