Home / 2,937.98-4,053.57-1,942.90

Finding the Fourth Proportional to 2,937.98, 4,053.57 and 1,942.90

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Solution

The fourth proportional to 2,937.98, 4,053.57 and 1,942.90 is: 2,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.98 : 4,053.57 = 1,942.90 : x
  2. Step 2: Convert to fraction form
    2,937.98/4,053.57 = 1,942.90/x
  3. Step 3: Cross multiply
    2,937.98x = 4,053.57 × 1,942.90
  4. Step 4: Simplify right side
    2,937.98x = 7,875,681.15
  5. Step 5: Solve for x
    x = 7,875,681.15/2,937.98
  6. Step 6: Final answer
    x = 2,680.64

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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.