Home / 4,280.61-6,416.04-1,967.25

Finding the Fourth Proportional to 4,280.61, 6,416.04 and 1,967.25

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Solution

The fourth proportional to 4,280.61, 6,416.04 and 1,967.25 is: 2,948.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.61 : 6,416.04 = 1,967.25 : x
  2. Step 2: Convert to fraction form
    4,280.61/6,416.04 = 1,967.25/x
  3. Step 3: Cross multiply
    4,280.61x = 6,416.04 × 1,967.25
  4. Step 4: Simplify right side
    4,280.61x = 12,621,954.69
  5. Step 5: Solve for x
    x = 12,621,954.69/4,280.61
  6. Step 6: Final answer
    x = 2,948.63

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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.