Home / 4,416.37-6,624.56-1,129.47

Finding the Fourth Proportional to 4,416.37, 6,624.56 and 1,129.47

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Solution

The fourth proportional to 4,416.37, 6,624.56 and 1,129.47 is: 1,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.37 : 6,624.56 = 1,129.47 : x
  2. Step 2: Convert to fraction form
    4,416.37/6,624.56 = 1,129.47/x
  3. Step 3: Cross multiply
    4,416.37x = 6,624.56 × 1,129.47
  4. Step 4: Simplify right side
    4,416.37x = 7,482,241.78
  5. Step 5: Solve for x
    x = 7,482,241.78/4,416.37
  6. Step 6: Final answer
    x = 1,694.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.