Home / 4,686.28-6,461.78-3,195.08

Finding the Fourth Proportional to 4,686.28, 6,461.78 and 3,195.08

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Solution

The fourth proportional to 4,686.28, 6,461.78 and 3,195.08 is: 4,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.28 : 6,461.78 = 3,195.08 : x
  2. Step 2: Convert to fraction form
    4,686.28/6,461.78 = 3,195.08/x
  3. Step 3: Cross multiply
    4,686.28x = 6,461.78 × 3,195.08
  4. Step 4: Simplify right side
    4,686.28x = 20,645,904.04
  5. Step 5: Solve for x
    x = 20,645,904.04/4,686.28
  6. Step 6: Final answer
    x = 4,405.61

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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.