Home / 6,378.23-8,803.36-3,546.58

Finding the Fourth Proportional to 6,378.23, 8,803.36 and 3,546.58

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Solution

The fourth proportional to 6,378.23, 8,803.36 and 3,546.58 is: 4,895.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.23 : 8,803.36 = 3,546.58 : x
  2. Step 2: Convert to fraction form
    6,378.23/8,803.36 = 3,546.58/x
  3. Step 3: Cross multiply
    6,378.23x = 8,803.36 × 3,546.58
  4. Step 4: Simplify right side
    6,378.23x = 31,221,789.63
  5. Step 5: Solve for x
    x = 31,221,789.63/6,378.23
  6. Step 6: Final answer
    x = 4,895.05

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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.