Home / 5,317.02-7,939.31-4,758.12

Finding the Fourth Proportional to 5,317.02, 7,939.31 and 4,758.12

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Solution

The fourth proportional to 5,317.02, 7,939.31 and 4,758.12 is: 7,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.02 : 7,939.31 = 4,758.12 : x
  2. Step 2: Convert to fraction form
    5,317.02/7,939.31 = 4,758.12/x
  3. Step 3: Cross multiply
    5,317.02x = 7,939.31 × 4,758.12
  4. Step 4: Simplify right side
    5,317.02x = 37,776,165.91
  5. Step 5: Solve for x
    x = 37,776,165.91/5,317.02
  6. Step 6: Final answer
    x = 7,104.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.