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Finding the Fourth Proportional to 3,503.77, 5,256.87 and 1,557.34

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Solution

The fourth proportional to 3,503.77, 5,256.87 and 1,557.34 is: 2,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.77 : 5,256.87 = 1,557.34 : x
  2. Step 2: Convert to fraction form
    3,503.77/5,256.87 = 1,557.34/x
  3. Step 3: Cross multiply
    3,503.77x = 5,256.87 × 1,557.34
  4. Step 4: Simplify right side
    3,503.77x = 8,186,733.93
  5. Step 5: Solve for x
    x = 8,186,733.93/3,503.77
  6. Step 6: Final answer
    x = 2,336.55

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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.