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Finding the Fourth Proportional to 5,703.54, 7,873.11 and 3,465.78

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Solution

The fourth proportional to 5,703.54, 7,873.11 and 3,465.78 is: 4,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.54 : 7,873.11 = 3,465.78 : x
  2. Step 2: Convert to fraction form
    5,703.54/7,873.11 = 3,465.78/x
  3. Step 3: Cross multiply
    5,703.54x = 7,873.11 × 3,465.78
  4. Step 4: Simplify right side
    5,703.54x = 27,286,467.18
  5. Step 5: Solve for x
    x = 27,286,467.18/5,703.54
  6. Step 6: Final answer
    x = 4,784.13

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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.