Home / 5,411.04-8,116.48-1,307.04

Finding the Fourth Proportional to 5,411.04, 8,116.48 and 1,307.04

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Solution

The fourth proportional to 5,411.04, 8,116.48 and 1,307.04 is: 1,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.04 : 8,116.48 = 1,307.04 : x
  2. Step 2: Convert to fraction form
    5,411.04/8,116.48 = 1,307.04/x
  3. Step 3: Cross multiply
    5,411.04x = 8,116.48 × 1,307.04
  4. Step 4: Simplify right side
    5,411.04x = 10,608,564.02
  5. Step 5: Solve for x
    x = 10,608,564.02/5,411.04
  6. Step 6: Final answer
    x = 1,960.54

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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.