Home / 4,840.32-7,257.60-1,878.96

Finding the Fourth Proportional to 4,840.32, 7,257.60 and 1,878.96

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Solution

The fourth proportional to 4,840.32, 7,257.60 and 1,878.96 is: 2,817.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.32 : 7,257.60 = 1,878.96 : x
  2. Step 2: Convert to fraction form
    4,840.32/7,257.60 = 1,878.96/x
  3. Step 3: Cross multiply
    4,840.32x = 7,257.60 × 1,878.96
  4. Step 4: Simplify right side
    4,840.32x = 13,636,740.10
  5. Step 5: Solve for x
    x = 13,636,740.10/4,840.32
  6. Step 6: Final answer
    x = 2,817.32

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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.