Home / 5,766.80-8,651.40-2,480.72

Finding the Fourth Proportional to 5,766.80, 8,651.40 and 2,480.72

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Solution

The fourth proportional to 5,766.80, 8,651.40 and 2,480.72 is: 3,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.80 : 8,651.40 = 2,480.72 : x
  2. Step 2: Convert to fraction form
    5,766.80/8,651.40 = 2,480.72/x
  3. Step 3: Cross multiply
    5,766.80x = 8,651.40 × 2,480.72
  4. Step 4: Simplify right side
    5,766.80x = 21,461,701.01
  5. Step 5: Solve for x
    x = 21,461,701.01/5,766.80
  6. Step 6: Final answer
    x = 3,721.60

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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.