Home / 4,751.04-7,121.70-2,406.69

Finding the Fourth Proportional to 4,751.04, 7,121.70 and 2,406.69

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Solution

The fourth proportional to 4,751.04, 7,121.70 and 2,406.69 is: 3,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.04 : 7,121.70 = 2,406.69 : x
  2. Step 2: Convert to fraction form
    4,751.04/7,121.70 = 2,406.69/x
  3. Step 3: Cross multiply
    4,751.04x = 7,121.70 × 2,406.69
  4. Step 4: Simplify right side
    4,751.04x = 17,139,724.17
  5. Step 5: Solve for x
    x = 17,139,724.17/4,751.04
  6. Step 6: Final answer
    x = 3,607.57

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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.