Home / 5,870.51-8,804.91-2,172.11

Finding the Fourth Proportional to 5,870.51, 8,804.91 and 2,172.11

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Solution

The fourth proportional to 5,870.51, 8,804.91 and 2,172.11 is: 3,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.51 : 8,804.91 = 2,172.11 : x
  2. Step 2: Convert to fraction form
    5,870.51/8,804.91 = 2,172.11/x
  3. Step 3: Cross multiply
    5,870.51x = 8,804.91 × 2,172.11
  4. Step 4: Simplify right side
    5,870.51x = 19,125,233.06
  5. Step 5: Solve for x
    x = 19,125,233.06/5,870.51
  6. Step 6: Final answer
    x = 3,257.85

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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.