Home / 5,979.74-8,970.21-2,285.07

Finding the Fourth Proportional to 5,979.74, 8,970.21 and 2,285.07

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Solution

The fourth proportional to 5,979.74, 8,970.21 and 2,285.07 is: 3,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.74 : 8,970.21 = 2,285.07 : x
  2. Step 2: Convert to fraction form
    5,979.74/8,970.21 = 2,285.07/x
  3. Step 3: Cross multiply
    5,979.74x = 8,970.21 × 2,285.07
  4. Step 4: Simplify right side
    5,979.74x = 20,497,592.02
  5. Step 5: Solve for x
    x = 20,497,592.02/5,979.74
  6. Step 6: Final answer
    x = 3,427.84

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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.