Home / 3,080.08-4,250.64-1,682.92

Finding the Fourth Proportional to 3,080.08, 4,250.64 and 1,682.92

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Solution

The fourth proportional to 3,080.08, 4,250.64 and 1,682.92 is: 2,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.08 : 4,250.64 = 1,682.92 : x
  2. Step 2: Convert to fraction form
    3,080.08/4,250.64 = 1,682.92/x
  3. Step 3: Cross multiply
    3,080.08x = 4,250.64 × 1,682.92
  4. Step 4: Simplify right side
    3,080.08x = 7,153,487.07
  5. Step 5: Solve for x
    x = 7,153,487.07/3,080.08
  6. Step 6: Final answer
    x = 2,322.50

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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.