Home / 3,461.06-4,771.32-2,280.08

Finding the Fourth Proportional to 3,461.06, 4,771.32 and 2,280.08

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Solution

The fourth proportional to 3,461.06, 4,771.32 and 2,280.08 is: 3,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.06 : 4,771.32 = 2,280.08 : x
  2. Step 2: Convert to fraction form
    3,461.06/4,771.32 = 2,280.08/x
  3. Step 3: Cross multiply
    3,461.06x = 4,771.32 × 2,280.08
  4. Step 4: Simplify right side
    3,461.06x = 10,878,967.45
  5. Step 5: Solve for x
    x = 10,878,967.45/3,461.06
  6. Step 6: Final answer
    x = 3,143.25

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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.