Home / 4,667.87-7,001.79-1,205.12

Finding the Fourth Proportional to 4,667.87, 7,001.79 and 1,205.12

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Solution

The fourth proportional to 4,667.87, 7,001.79 and 1,205.12 is: 1,807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.87 : 7,001.79 = 1,205.12 : x
  2. Step 2: Convert to fraction form
    4,667.87/7,001.79 = 1,205.12/x
  3. Step 3: Cross multiply
    4,667.87x = 7,001.79 × 1,205.12
  4. Step 4: Simplify right side
    4,667.87x = 8,437,962.16
  5. Step 5: Solve for x
    x = 8,437,962.16/4,667.87
  6. Step 6: Final answer
    x = 1,807.67

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1.5x scale

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.