Home / 5,376.50-8,063.76-1,480.40

Finding the Fourth Proportional to 5,376.50, 8,063.76 and 1,480.40

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Solution

The fourth proportional to 5,376.50, 8,063.76 and 1,480.40 is: 2,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.50 : 8,063.76 = 1,480.40 : x
  2. Step 2: Convert to fraction form
    5,376.50/8,063.76 = 1,480.40/x
  3. Step 3: Cross multiply
    5,376.50x = 8,063.76 × 1,480.40
  4. Step 4: Simplify right side
    5,376.50x = 11,937,590.30
  5. Step 5: Solve for x
    x = 11,937,590.30/5,376.50
  6. Step 6: Final answer
    x = 2,220.33

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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.