Home / 4,860.45-6,705.72-3,181.32

Finding the Fourth Proportional to 4,860.45, 6,705.72 and 3,181.32

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Solution

The fourth proportional to 4,860.45, 6,705.72 and 3,181.32 is: 4,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.45 : 6,705.72 = 3,181.32 : x
  2. Step 2: Convert to fraction form
    4,860.45/6,705.72 = 3,181.32/x
  3. Step 3: Cross multiply
    4,860.45x = 6,705.72 × 3,181.32
  4. Step 4: Simplify right side
    4,860.45x = 21,333,041.15
  5. Step 5: Solve for x
    x = 21,333,041.15/4,860.45
  6. Step 6: Final answer
    x = 4,389.11

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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.