Home / 4,946.74-6,826.51-2,678.10

Finding the Fourth Proportional to 4,946.74, 6,826.51 and 2,678.10

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Solution

The fourth proportional to 4,946.74, 6,826.51 and 2,678.10 is: 3,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,946.74 : 6,826.51 = 2,678.10 : x
  2. Step 2: Convert to fraction form
    4,946.74/6,826.51 = 2,678.10/x
  3. Step 3: Cross multiply
    4,946.74x = 6,826.51 × 2,678.10
  4. Step 4: Simplify right side
    4,946.74x = 18,282,109.49
  5. Step 5: Solve for x
    x = 18,282,109.49/4,946.74
  6. Step 6: Final answer
    x = 3,695.79

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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.