Home / 4,667.20-7,000.80-1,589.20

Finding the Fourth Proportional to 4,667.20, 7,000.80 and 1,589.20

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Solution

The fourth proportional to 4,667.20, 7,000.80 and 1,589.20 is: 2,383.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,667.20 : 7,000.80 = 1,589.20 : x
  2. Step 2: Convert to fraction form
    4,667.20/7,000.80 = 1,589.20/x
  3. Step 3: Cross multiply
    4,667.20x = 7,000.80 × 1,589.20
  4. Step 4: Simplify right side
    4,667.20x = 11,125,671.36
  5. Step 5: Solve for x
    x = 11,125,671.36/4,667.20
  6. Step 6: Final answer
    x = 2,383.80

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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.