Home / 4,718.04-7,074.63-2,118.75

Finding the Fourth Proportional to 4,718.04, 7,074.63 and 2,118.75

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Solution

The fourth proportional to 4,718.04, 7,074.63 and 2,118.75 is: 3,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,718.04 : 7,074.63 = 2,118.75 : x
  2. Step 2: Convert to fraction form
    4,718.04/7,074.63 = 2,118.75/x
  3. Step 3: Cross multiply
    4,718.04x = 7,074.63 × 2,118.75
  4. Step 4: Simplify right side
    4,718.04x = 14,989,372.31
  5. Step 5: Solve for x
    x = 14,989,372.31/4,718.04
  6. Step 6: Final answer
    x = 3,177.03

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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.