Home / 4,678.27-6,455.78-2,581.99

Finding the Fourth Proportional to 4,678.27, 6,455.78 and 2,581.99

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Solution

The fourth proportional to 4,678.27, 6,455.78 and 2,581.99 is: 3,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.27 : 6,455.78 = 2,581.99 : x
  2. Step 2: Convert to fraction form
    4,678.27/6,455.78 = 2,581.99/x
  3. Step 3: Cross multiply
    4,678.27x = 6,455.78 × 2,581.99
  4. Step 4: Simplify right side
    4,678.27x = 16,668,746.49
  5. Step 5: Solve for x
    x = 16,668,746.49/4,678.27
  6. Step 6: Final answer
    x = 3,563.02

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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.