Home / 7,973.85-11,962.53-2,637.39

Finding the Fourth Proportional to 7,973.85, 11,962.53 and 2,637.39

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Solution

The fourth proportional to 7,973.85, 11,962.53 and 2,637.39 is: 3,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.85 : 11,962.53 = 2,637.39 : x
  2. Step 2: Convert to fraction form
    7,973.85/11,962.53 = 2,637.39/x
  3. Step 3: Cross multiply
    7,973.85x = 11,962.53 × 2,637.39
  4. Step 4: Simplify right side
    7,973.85x = 31,549,857.00
  5. Step 5: Solve for x
    x = 31,549,857.00/7,973.85
  6. Step 6: Final answer
    x = 3,956.67

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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.