Home / 5,538.16-8,312.03-2,907.51

Finding the Fourth Proportional to 5,538.16, 8,312.03 and 2,907.51

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Solution

The fourth proportional to 5,538.16, 8,312.03 and 2,907.51 is: 4,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.16 : 8,312.03 = 2,907.51 : x
  2. Step 2: Convert to fraction form
    5,538.16/8,312.03 = 2,907.51/x
  3. Step 3: Cross multiply
    5,538.16x = 8,312.03 × 2,907.51
  4. Step 4: Simplify right side
    5,538.16x = 24,167,338.65
  5. Step 5: Solve for x
    x = 24,167,338.65/5,538.16
  6. Step 6: Final answer
    x = 4,363.79

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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.