Home / 5,979.62-8,970.80-2,281.77

Finding the Fourth Proportional to 5,979.62, 8,970.80 and 2,281.77

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Solution

The fourth proportional to 5,979.62, 8,970.80 and 2,281.77 is: 3,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.62 : 8,970.80 = 2,281.77 : x
  2. Step 2: Convert to fraction form
    5,979.62/8,970.80 = 2,281.77/x
  3. Step 3: Cross multiply
    5,979.62x = 8,970.80 × 2,281.77
  4. Step 4: Simplify right side
    5,979.62x = 20,469,303.74
  5. Step 5: Solve for x
    x = 20,469,303.74/5,979.62
  6. Step 6: Final answer
    x = 3,423.18

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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.