Home / 5,533.88-8,302.04-1,638.60

Finding the Fourth Proportional to 5,533.88, 8,302.04 and 1,638.60

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Solution

The fourth proportional to 5,533.88, 8,302.04 and 1,638.60 is: 2,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,533.88 : 8,302.04 = 1,638.60 : x
  2. Step 2: Convert to fraction form
    5,533.88/8,302.04 = 1,638.60/x
  3. Step 3: Cross multiply
    5,533.88x = 8,302.04 × 1,638.60
  4. Step 4: Simplify right side
    5,533.88x = 13,603,722.74
  5. Step 5: Solve for x
    x = 13,603,722.74/5,533.88
  6. Step 6: Final answer
    x = 2,458.26

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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.