Home / 5,590.80-8,392.60-3,283.60

Finding the Fourth Proportional to 5,590.80, 8,392.60 and 3,283.60

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Solution

The fourth proportional to 5,590.80, 8,392.60 and 3,283.60 is: 4,929.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.80 : 8,392.60 = 3,283.60 : x
  2. Step 2: Convert to fraction form
    5,590.80/8,392.60 = 3,283.60/x
  3. Step 3: Cross multiply
    5,590.80x = 8,392.60 × 3,283.60
  4. Step 4: Simplify right side
    5,590.80x = 27,557,941.36
  5. Step 5: Solve for x
    x = 27,557,941.36/5,590.80
  6. Step 6: Final answer
    x = 4,929.16

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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.