Home / 4,728.42-7,092.36-1,807.02

Finding the Fourth Proportional to 4,728.42, 7,092.36 and 1,807.02

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Solution

The fourth proportional to 4,728.42, 7,092.36 and 1,807.02 is: 2,710.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.42 : 7,092.36 = 1,807.02 : x
  2. Step 2: Convert to fraction form
    4,728.42/7,092.36 = 1,807.02/x
  3. Step 3: Cross multiply
    4,728.42x = 7,092.36 × 1,807.02
  4. Step 4: Simplify right side
    4,728.42x = 12,816,036.37
  5. Step 5: Solve for x
    x = 12,816,036.37/4,728.42
  6. Step 6: Final answer
    x = 2,710.43

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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.