Home / 4,008.80-5,529.04-2,682.08

Finding the Fourth Proportional to 4,008.80, 5,529.04 and 2,682.08

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Solution

The fourth proportional to 4,008.80, 5,529.04 and 2,682.08 is: 3,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.80 : 5,529.04 = 2,682.08 : x
  2. Step 2: Convert to fraction form
    4,008.80/5,529.04 = 2,682.08/x
  3. Step 3: Cross multiply
    4,008.80x = 5,529.04 × 2,682.08
  4. Step 4: Simplify right side
    4,008.80x = 14,829,327.60
  5. Step 5: Solve for x
    x = 14,829,327.60/4,008.80
  6. Step 6: Final answer
    x = 3,699.19

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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.