Home / 4,979.16-7,463.40-1,857.24

Finding the Fourth Proportional to 4,979.16, 7,463.40 and 1,857.24

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Solution

The fourth proportional to 4,979.16, 7,463.40 and 1,857.24 is: 2,783.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.16 : 7,463.40 = 1,857.24 : x
  2. Step 2: Convert to fraction form
    4,979.16/7,463.40 = 1,857.24/x
  3. Step 3: Cross multiply
    4,979.16x = 7,463.40 × 1,857.24
  4. Step 4: Simplify right side
    4,979.16x = 13,861,325.02
  5. Step 5: Solve for x
    x = 13,861,325.02/4,979.16
  6. Step 6: Final answer
    x = 2,783.87

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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.