Home / 6,220.08-8,580.48-3,858.12

Finding the Fourth Proportional to 6,220.08, 8,580.48 and 3,858.12

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Solution

The fourth proportional to 6,220.08, 8,580.48 and 3,858.12 is: 5,322.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.08 : 8,580.48 = 3,858.12 : x
  2. Step 2: Convert to fraction form
    6,220.08/8,580.48 = 3,858.12/x
  3. Step 3: Cross multiply
    6,220.08x = 8,580.48 × 3,858.12
  4. Step 4: Simplify right side
    6,220.08x = 33,104,521.50
  5. Step 5: Solve for x
    x = 33,104,521.50/6,220.08
  6. Step 6: Final answer
    x = 5,322.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.