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Finding the Fourth Proportional to 5,703.42, 7,871.04 and 4,025.37

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Solution

The fourth proportional to 5,703.42, 7,871.04 and 4,025.37 is: 5,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.42 : 7,871.04 = 4,025.37 : x
  2. Step 2: Convert to fraction form
    5,703.42/7,871.04 = 4,025.37/x
  3. Step 3: Cross multiply
    5,703.42x = 7,871.04 × 4,025.37
  4. Step 4: Simplify right side
    5,703.42x = 31,683,848.28
  5. Step 5: Solve for x
    x = 31,683,848.28/5,703.42
  6. Step 6: Final answer
    x = 5,555.24

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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.