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Finding the Fourth Proportional to 4,607.94, 6,356.94 and 3,115.32

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Solution

The fourth proportional to 4,607.94, 6,356.94 and 3,115.32 is: 4,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,607.94 : 6,356.94 = 3,115.32 : x
  2. Step 2: Convert to fraction form
    4,607.94/6,356.94 = 3,115.32/x
  3. Step 3: Cross multiply
    4,607.94x = 6,356.94 × 3,115.32
  4. Step 4: Simplify right side
    4,607.94x = 19,803,854.96
  5. Step 5: Solve for x
    x = 19,803,854.96/4,607.94
  6. Step 6: Final answer
    x = 4,297.77

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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.