Home / 3,148.48-4,724.08-1,505.04

Finding the Fourth Proportional to 3,148.48, 4,724.08 and 1,505.04

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Solution

The fourth proportional to 3,148.48, 4,724.08 and 1,505.04 is: 2,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.48 : 4,724.08 = 1,505.04 : x
  2. Step 2: Convert to fraction form
    3,148.48/4,724.08 = 1,505.04/x
  3. Step 3: Cross multiply
    3,148.48x = 4,724.08 × 1,505.04
  4. Step 4: Simplify right side
    3,148.48x = 7,109,929.36
  5. Step 5: Solve for x
    x = 7,109,929.36/3,148.48
  6. Step 6: Final answer
    x = 2,258.21

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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.