Home / 4,980.34-7,475.12-2,516.89

Finding the Fourth Proportional to 4,980.34, 7,475.12 and 2,516.89

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Solution

The fourth proportional to 4,980.34, 7,475.12 and 2,516.89 is: 3,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.34 : 7,475.12 = 2,516.89 : x
  2. Step 2: Convert to fraction form
    4,980.34/7,475.12 = 2,516.89/x
  3. Step 3: Cross multiply
    4,980.34x = 7,475.12 × 2,516.89
  4. Step 4: Simplify right side
    4,980.34x = 18,814,054.78
  5. Step 5: Solve for x
    x = 18,814,054.78/4,980.34
  6. Step 6: Final answer
    x = 3,777.66

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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.