Home / 3,357.60-4,622.48-3,122.08

Finding the Fourth Proportional to 3,357.60, 4,622.48 and 3,122.08

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Solution

The fourth proportional to 3,357.60, 4,622.48 and 3,122.08 is: 4,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.60 : 4,622.48 = 3,122.08 : x
  2. Step 2: Convert to fraction form
    3,357.60/4,622.48 = 3,122.08/x
  3. Step 3: Cross multiply
    3,357.60x = 4,622.48 × 3,122.08
  4. Step 4: Simplify right side
    3,357.60x = 14,431,752.36
  5. Step 5: Solve for x
    x = 14,431,752.36/3,357.60
  6. Step 6: Final answer
    x = 4,298.23

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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.