Home / 5,055.60-6,976.26-2,930.70

Finding the Fourth Proportional to 5,055.60, 6,976.26 and 2,930.70

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Solution

The fourth proportional to 5,055.60, 6,976.26 and 2,930.70 is: 4,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.60 : 6,976.26 = 2,930.70 : x
  2. Step 2: Convert to fraction form
    5,055.60/6,976.26 = 2,930.70/x
  3. Step 3: Cross multiply
    5,055.60x = 6,976.26 × 2,930.70
  4. Step 4: Simplify right side
    5,055.60x = 20,445,325.18
  5. Step 5: Solve for x
    x = 20,445,325.18/5,055.60
  6. Step 6: Final answer
    x = 4,044.09

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1.5x scale

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.