Home / 4,751.04-7,122.12-2,117.16

Finding the Fourth Proportional to 4,751.04, 7,122.12 and 2,117.16

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Solution

The fourth proportional to 4,751.04, 7,122.12 and 2,117.16 is: 3,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.04 : 7,122.12 = 2,117.16 : x
  2. Step 2: Convert to fraction form
    4,751.04/7,122.12 = 2,117.16/x
  3. Step 3: Cross multiply
    4,751.04x = 7,122.12 × 2,117.16
  4. Step 4: Simplify right side
    4,751.04x = 15,078,667.58
  5. Step 5: Solve for x
    x = 15,078,667.58/4,751.04
  6. Step 6: Final answer
    x = 3,173.76

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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.