Home / 4,905.16-7,359.80-3,151.10

Finding the Fourth Proportional to 4,905.16, 7,359.80 and 3,151.10

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Solution

The fourth proportional to 4,905.16, 7,359.80 and 3,151.10 is: 4,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.16 : 7,359.80 = 3,151.10 : x
  2. Step 2: Convert to fraction form
    4,905.16/7,359.80 = 3,151.10/x
  3. Step 3: Cross multiply
    4,905.16x = 7,359.80 × 3,151.10
  4. Step 4: Simplify right side
    4,905.16x = 23,191,468.42
  5. Step 5: Solve for x
    x = 23,191,468.42/4,905.16
  6. Step 6: Final answer
    x = 4,727.98

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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.