Home / 5,316.34-7,336.47-3,078.04

Finding the Fourth Proportional to 5,316.34, 7,336.47 and 3,078.04

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Solution

The fourth proportional to 5,316.34, 7,336.47 and 3,078.04 is: 4,247.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.34 : 7,336.47 = 3,078.04 : x
  2. Step 2: Convert to fraction form
    5,316.34/7,336.47 = 3,078.04/x
  3. Step 3: Cross multiply
    5,316.34x = 7,336.47 × 3,078.04
  4. Step 4: Simplify right side
    5,316.34x = 22,581,948.12
  5. Step 5: Solve for x
    x = 22,581,948.12/5,316.34
  6. Step 6: Final answer
    x = 4,247.65

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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.