Home / 5,058.60-6,980.88-3,068.64

Finding the Fourth Proportional to 5,058.60, 6,980.88 and 3,068.64

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Solution

The fourth proportional to 5,058.60, 6,980.88 and 3,068.64 is: 4,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.60 : 6,980.88 = 3,068.64 : x
  2. Step 2: Convert to fraction form
    5,058.60/6,980.88 = 3,068.64/x
  3. Step 3: Cross multiply
    5,058.60x = 6,980.88 × 3,068.64
  4. Step 4: Simplify right side
    5,058.60x = 21,421,807.60
  5. Step 5: Solve for x
    x = 21,421,807.60/5,058.60
  6. Step 6: Final answer
    x = 4,234.73

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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.