Home / 4,937.56-6,812.70-2,947.74

Finding the Fourth Proportional to 4,937.56, 6,812.70 and 2,947.74

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Solution

The fourth proportional to 4,937.56, 6,812.70 and 2,947.74 is: 4,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.56 : 6,812.70 = 2,947.74 : x
  2. Step 2: Convert to fraction form
    4,937.56/6,812.70 = 2,947.74/x
  3. Step 3: Cross multiply
    4,937.56x = 6,812.70 × 2,947.74
  4. Step 4: Simplify right side
    4,937.56x = 20,082,068.30
  5. Step 5: Solve for x
    x = 20,082,068.30/4,937.56
  6. Step 6: Final answer
    x = 4,067.20

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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.