Home / 5,823.76-8,721.06-3,870.04

Finding the Fourth Proportional to 5,823.76, 8,721.06 and 3,870.04

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Solution

The fourth proportional to 5,823.76, 8,721.06 and 3,870.04 is: 5,795.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,823.76 : 8,721.06 = 3,870.04 : x
  2. Step 2: Convert to fraction form
    5,823.76/8,721.06 = 3,870.04/x
  3. Step 3: Cross multiply
    5,823.76x = 8,721.06 × 3,870.04
  4. Step 4: Simplify right side
    5,823.76x = 33,750,851.04
  5. Step 5: Solve for x
    x = 33,750,851.04/5,823.76
  6. Step 6: Final answer
    x = 5,795.37

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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.