Home / 5,423.06-7,483.84-2,939.06

Finding the Fourth Proportional to 5,423.06, 7,483.84 and 2,939.06

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Solution

The fourth proportional to 5,423.06, 7,483.84 and 2,939.06 is: 4,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.06 : 7,483.84 = 2,939.06 : x
  2. Step 2: Convert to fraction form
    5,423.06/7,483.84 = 2,939.06/x
  3. Step 3: Cross multiply
    5,423.06x = 7,483.84 × 2,939.06
  4. Step 4: Simplify right side
    5,423.06x = 21,995,466.15
  5. Step 5: Solve for x
    x = 21,995,466.15/5,423.06
  6. Step 6: Final answer
    x = 4,055.91

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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.