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Finding the Fourth Proportional to 3,488.91, 4,814.91 and 2,307.93

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Solution

The fourth proportional to 3,488.91, 4,814.91 and 2,307.93 is: 3,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.91 : 4,814.91 = 2,307.93 : x
  2. Step 2: Convert to fraction form
    3,488.91/4,814.91 = 2,307.93/x
  3. Step 3: Cross multiply
    3,488.91x = 4,814.91 × 2,307.93
  4. Step 4: Simplify right side
    3,488.91x = 11,112,475.24
  5. Step 5: Solve for x
    x = 11,112,475.24/3,488.91
  6. Step 6: Final answer
    x = 3,185.09

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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.