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Finding the Fourth Proportional to 3,809.42, 5,256.05 and 2,393.34

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Solution

The fourth proportional to 3,809.42, 5,256.05 and 2,393.34 is: 3,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.42 : 5,256.05 = 2,393.34 : x
  2. Step 2: Convert to fraction form
    3,809.42/5,256.05 = 2,393.34/x
  3. Step 3: Cross multiply
    3,809.42x = 5,256.05 × 2,393.34
  4. Step 4: Simplify right side
    3,809.42x = 12,579,502.74
  5. Step 5: Solve for x
    x = 12,579,502.74/3,809.42
  6. Step 6: Final answer
    x = 3,302.21

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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.