Home / 5,790.24-8,685.59-2,978.33

Finding the Fourth Proportional to 5,790.24, 8,685.59 and 2,978.33

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Solution

The fourth proportional to 5,790.24, 8,685.59 and 2,978.33 is: 4,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.24 : 8,685.59 = 2,978.33 : x
  2. Step 2: Convert to fraction form
    5,790.24/8,685.59 = 2,978.33/x
  3. Step 3: Cross multiply
    5,790.24x = 8,685.59 × 2,978.33
  4. Step 4: Simplify right side
    5,790.24x = 25,868,494.95
  5. Step 5: Solve for x
    x = 25,868,494.95/5,790.24
  6. Step 6: Final answer
    x = 4,467.60

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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.