Home / 3,458.48-4,774.80-2,339.60

Finding the Fourth Proportional to 3,458.48, 4,774.80 and 2,339.60

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Solution

The fourth proportional to 3,458.48, 4,774.80 and 2,339.60 is: 3,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.48 : 4,774.80 = 2,339.60 : x
  2. Step 2: Convert to fraction form
    3,458.48/4,774.80 = 2,339.60/x
  3. Step 3: Cross multiply
    3,458.48x = 4,774.80 × 2,339.60
  4. Step 4: Simplify right side
    3,458.48x = 11,171,122.08
  5. Step 5: Solve for x
    x = 11,171,122.08/3,458.48
  6. Step 6: Final answer
    x = 3,230.07

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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.