Home / 5,441.78-7,508.40-3,316.70

Finding the Fourth Proportional to 5,441.78, 7,508.40 and 3,316.70

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Solution

The fourth proportional to 5,441.78, 7,508.40 and 3,316.70 is: 4,576.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.78 : 7,508.40 = 3,316.70 : x
  2. Step 2: Convert to fraction form
    5,441.78/7,508.40 = 3,316.70/x
  3. Step 3: Cross multiply
    5,441.78x = 7,508.40 × 3,316.70
  4. Step 4: Simplify right side
    5,441.78x = 24,903,110.28
  5. Step 5: Solve for x
    x = 24,903,110.28/5,441.78
  6. Step 6: Final answer
    x = 4,576.28

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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.