Home / 7,721.37-10,655.51-4,184.58

Finding the Fourth Proportional to 7,721.37, 10,655.51 and 4,184.58

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Solution

The fourth proportional to 7,721.37, 10,655.51 and 4,184.58 is: 5,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.37 : 10,655.51 = 4,184.58 : x
  2. Step 2: Convert to fraction form
    7,721.37/10,655.51 = 4,184.58/x
  3. Step 3: Cross multiply
    7,721.37x = 10,655.51 × 4,184.58
  4. Step 4: Simplify right side
    7,721.37x = 44,588,834.04
  5. Step 5: Solve for x
    x = 44,588,834.04/7,721.37
  6. Step 6: Final answer
    x = 5,774.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.