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Finding the Fourth Proportional to 5,370.32, 7,404.36 and 4,038.32

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Solution

The fourth proportional to 5,370.32, 7,404.36 and 4,038.32 is: 5,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370.32 : 7,404.36 = 4,038.32 : x
  2. Step 2: Convert to fraction form
    5,370.32/7,404.36 = 4,038.32/x
  3. Step 3: Cross multiply
    5,370.32x = 7,404.36 × 4,038.32
  4. Step 4: Simplify right side
    5,370.32x = 29,901,175.08
  5. Step 5: Solve for x
    x = 29,901,175.08/5,370.32
  6. Step 6: Final answer
    x = 5,567.86

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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.