Home / 3,500.52-4,830.80-1,928.62

Finding the Fourth Proportional to 3,500.52, 4,830.80 and 1,928.62

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Solution

The fourth proportional to 3,500.52, 4,830.80 and 1,928.62 is: 2,661.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.52 : 4,830.80 = 1,928.62 : x
  2. Step 2: Convert to fraction form
    3,500.52/4,830.80 = 1,928.62/x
  3. Step 3: Cross multiply
    3,500.52x = 4,830.80 × 1,928.62
  4. Step 4: Simplify right side
    3,500.52x = 9,316,777.50
  5. Step 5: Solve for x
    x = 9,316,777.50/3,500.52
  6. Step 6: Final answer
    x = 2,661.54

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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.