Home / 5,634.21-7,774.78-3,116.07

Finding the Fourth Proportional to 5,634.21, 7,774.78 and 3,116.07

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Solution

The fourth proportional to 5,634.21, 7,774.78 and 3,116.07 is: 4,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.21 : 7,774.78 = 3,116.07 : x
  2. Step 2: Convert to fraction form
    5,634.21/7,774.78 = 3,116.07/x
  3. Step 3: Cross multiply
    5,634.21x = 7,774.78 × 3,116.07
  4. Step 4: Simplify right side
    5,634.21x = 24,226,758.71
  5. Step 5: Solve for x
    x = 24,226,758.71/5,634.21
  6. Step 6: Final answer
    x = 4,299.94

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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.