Home / 3,358.08-4,634.45-1,866.30

Finding the Fourth Proportional to 3,358.08, 4,634.45 and 1,866.30

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Solution

The fourth proportional to 3,358.08, 4,634.45 and 1,866.30 is: 2,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.08 : 4,634.45 = 1,866.30 : x
  2. Step 2: Convert to fraction form
    3,358.08/4,634.45 = 1,866.30/x
  3. Step 3: Cross multiply
    3,358.08x = 4,634.45 × 1,866.30
  4. Step 4: Simplify right side
    3,358.08x = 8,649,274.04
  5. Step 5: Solve for x
    x = 8,649,274.04/3,358.08
  6. Step 6: Final answer
    x = 2,575.66

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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.