Home / 5,055.66-6,975.90-2,930.64

Finding the Fourth Proportional to 5,055.66, 6,975.90 and 2,930.64

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Solution

The fourth proportional to 5,055.66, 6,975.90 and 2,930.64 is: 4,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.66 : 6,975.90 = 2,930.64 : x
  2. Step 2: Convert to fraction form
    5,055.66/6,975.90 = 2,930.64/x
  3. Step 3: Cross multiply
    5,055.66x = 6,975.90 × 2,930.64
  4. Step 4: Simplify right side
    5,055.66x = 20,443,851.58
  5. Step 5: Solve for x
    x = 20,443,851.58/5,055.66
  6. Step 6: Final answer
    x = 4,043.76

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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.