Home / 3,245.61-4,478.76-1,829.52

Finding the Fourth Proportional to 3,245.61, 4,478.76 and 1,829.52

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Solution

The fourth proportional to 3,245.61, 4,478.76 and 1,829.52 is: 2,524.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.61 : 4,478.76 = 1,829.52 : x
  2. Step 2: Convert to fraction form
    3,245.61/4,478.76 = 1,829.52/x
  3. Step 3: Cross multiply
    3,245.61x = 4,478.76 × 1,829.52
  4. Step 4: Simplify right side
    3,245.61x = 8,193,981.00
  5. Step 5: Solve for x
    x = 8,193,981.00/3,245.61
  6. Step 6: Final answer
    x = 2,524.64

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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.