Home / 5,505.78-7,598.39-3,148.05

Finding the Fourth Proportional to 5,505.78, 7,598.39 and 3,148.05

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Solution

The fourth proportional to 5,505.78, 7,598.39 and 3,148.05 is: 4,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,505.78 : 7,598.39 = 3,148.05 : x
  2. Step 2: Convert to fraction form
    5,505.78/7,598.39 = 3,148.05/x
  3. Step 3: Cross multiply
    5,505.78x = 7,598.39 × 3,148.05
  4. Step 4: Simplify right side
    5,505.78x = 23,920,095.90
  5. Step 5: Solve for x
    x = 23,920,095.90/5,505.78
  6. Step 6: Final answer
    x = 4,344.54

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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.