Home / 4,741.25-6,539.87-2,878.25

Finding the Fourth Proportional to 4,741.25, 6,539.87 and 2,878.25

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Solution

The fourth proportional to 4,741.25, 6,539.87 and 2,878.25 is: 3,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.25 : 6,539.87 = 2,878.25 : x
  2. Step 2: Convert to fraction form
    4,741.25/6,539.87 = 2,878.25/x
  3. Step 3: Cross multiply
    4,741.25x = 6,539.87 × 2,878.25
  4. Step 4: Simplify right side
    4,741.25x = 18,823,355.32
  5. Step 5: Solve for x
    x = 18,823,355.32/4,741.25
  6. Step 6: Final answer
    x = 3,970.13

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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.