Home / 5,652.48-8,475.84-2,188.80

Finding the Fourth Proportional to 5,652.48, 8,475.84 and 2,188.80

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Solution

The fourth proportional to 5,652.48, 8,475.84 and 2,188.80 is: 3,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.48 : 8,475.84 = 2,188.80 : x
  2. Step 2: Convert to fraction form
    5,652.48/8,475.84 = 2,188.80/x
  3. Step 3: Cross multiply
    5,652.48x = 8,475.84 × 2,188.80
  4. Step 4: Simplify right side
    5,652.48x = 18,551,918.59
  5. Step 5: Solve for x
    x = 18,551,918.59/5,652.48
  6. Step 6: Final answer
    x = 3,282.08

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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.