Home / 2,451.87-3,386.86-2,416.18

Finding the Fourth Proportional to 2,451.87, 3,386.86 and 2,416.18

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Solution

The fourth proportional to 2,451.87, 3,386.86 and 2,416.18 is: 3,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.87 : 3,386.86 = 2,416.18 : x
  2. Step 2: Convert to fraction form
    2,451.87/3,386.86 = 2,416.18/x
  3. Step 3: Cross multiply
    2,451.87x = 3,386.86 × 2,416.18
  4. Step 4: Simplify right side
    2,451.87x = 8,183,268.83
  5. Step 5: Solve for x
    x = 8,183,268.83/2,451.87
  6. Step 6: Final answer
    x = 3,337.56

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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.