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Finding the Fourth Proportional to 2,937.88, 4,407.82 and 1,840.92

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Solution

The fourth proportional to 2,937.88, 4,407.82 and 1,840.92 is: 2,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.88 : 4,407.82 = 1,840.92 : x
  2. Step 2: Convert to fraction form
    2,937.88/4,407.82 = 1,840.92/x
  3. Step 3: Cross multiply
    2,937.88x = 4,407.82 × 1,840.92
  4. Step 4: Simplify right side
    2,937.88x = 8,114,443.99
  5. Step 5: Solve for x
    x = 8,114,443.99/2,937.88
  6. Step 6: Final answer
    x = 2,762.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.