Home / 9,290.25-13,937.35-2,715.88

Finding the Fourth Proportional to 9,290.25, 13,937.35 and 2,715.88

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Solution

The fourth proportional to 9,290.25, 13,937.35 and 2,715.88 is: 4,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.25 : 13,937.35 = 2,715.88 : x
  2. Step 2: Convert to fraction form
    9,290.25/13,937.35 = 2,715.88/x
  3. Step 3: Cross multiply
    9,290.25x = 13,937.35 × 2,715.88
  4. Step 4: Simplify right side
    9,290.25x = 37,852,170.12
  5. Step 5: Solve for x
    x = 37,852,170.12/9,290.25
  6. Step 6: Final answer
    x = 4,074.40

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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.