Home / 6,607.95-9,119.70-3,956.01

Finding the Fourth Proportional to 6,607.95, 9,119.70 and 3,956.01

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Solution

The fourth proportional to 6,607.95, 9,119.70 and 3,956.01 is: 5,459.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.95 : 9,119.70 = 3,956.01 : x
  2. Step 2: Convert to fraction form
    6,607.95/9,119.70 = 3,956.01/x
  3. Step 3: Cross multiply
    6,607.95x = 9,119.70 × 3,956.01
  4. Step 4: Simplify right side
    6,607.95x = 36,077,624.40
  5. Step 5: Solve for x
    x = 36,077,624.40/6,607.95
  6. Step 6: Final answer
    x = 5,459.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.