Home / 4,478.06-6,177.86-3,059.45

Finding the Fourth Proportional to 4,478.06, 6,177.86 and 3,059.45

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Solution

The fourth proportional to 4,478.06, 6,177.86 and 3,059.45 is: 4,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.06 : 6,177.86 = 3,059.45 : x
  2. Step 2: Convert to fraction form
    4,478.06/6,177.86 = 3,059.45/x
  3. Step 3: Cross multiply
    4,478.06x = 6,177.86 × 3,059.45
  4. Step 4: Simplify right side
    4,478.06x = 18,900,853.78
  5. Step 5: Solve for x
    x = 18,900,853.78/4,478.06
  6. Step 6: Final answer
    x = 4,220.77

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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.