Home / 7,317.65-10,977.39-2,385.98

Finding the Fourth Proportional to 7,317.65, 10,977.39 and 2,385.98

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Solution

The fourth proportional to 7,317.65, 10,977.39 and 2,385.98 is: 3,579.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.65 : 10,977.39 = 2,385.98 : x
  2. Step 2: Convert to fraction form
    7,317.65/10,977.39 = 2,385.98/x
  3. Step 3: Cross multiply
    7,317.65x = 10,977.39 × 2,385.98
  4. Step 4: Simplify right side
    7,317.65x = 26,191,832.99
  5. Step 5: Solve for x
    x = 26,191,832.99/7,317.65
  6. Step 6: Final answer
    x = 3,579.27

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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.