Home / 5,316.77-7,337.73-3,078.62

Finding the Fourth Proportional to 5,316.77, 7,337.73 and 3,078.62

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Solution

The fourth proportional to 5,316.77, 7,337.73 and 3,078.62 is: 4,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.77 : 7,337.73 = 3,078.62 : x
  2. Step 2: Convert to fraction form
    5,316.77/7,337.73 = 3,078.62/x
  3. Step 3: Cross multiply
    5,316.77x = 7,337.73 × 3,078.62
  4. Step 4: Simplify right side
    5,316.77x = 22,590,082.33
  5. Step 5: Solve for x
    x = 22,590,082.33/5,316.77
  6. Step 6: Final answer
    x = 4,248.84

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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.