Home / 2,858.99-4,262.81-2,614.91

Finding the Fourth Proportional to 2,858.99, 4,262.81 and 2,614.91

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Solution

The fourth proportional to 2,858.99, 4,262.81 and 2,614.91 is: 3,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.99 : 4,262.81 = 2,614.91 : x
  2. Step 2: Convert to fraction form
    2,858.99/4,262.81 = 2,614.91/x
  3. Step 3: Cross multiply
    2,858.99x = 4,262.81 × 2,614.91
  4. Step 4: Simplify right side
    2,858.99x = 11,146,830.11
  5. Step 5: Solve for x
    x = 11,146,830.11/2,858.99
  6. Step 6: Final answer
    x = 3,898.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.