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Finding the Fourth Proportional to 4,288.76, 5,917.94 and 2,400.42

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Solution

The fourth proportional to 4,288.76, 5,917.94 and 2,400.42 is: 3,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.76 : 5,917.94 = 2,400.42 : x
  2. Step 2: Convert to fraction form
    4,288.76/5,917.94 = 2,400.42/x
  3. Step 3: Cross multiply
    4,288.76x = 5,917.94 × 2,400.42
  4. Step 4: Simplify right side
    4,288.76x = 14,205,541.53
  5. Step 5: Solve for x
    x = 14,205,541.53/4,288.76
  6. Step 6: Final answer
    x = 3,312.27

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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.