Home / 5,622.40-7,758.84-3,104.47

Finding the Fourth Proportional to 5,622.40, 7,758.84 and 3,104.47

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Solution

The fourth proportional to 5,622.40, 7,758.84 and 3,104.47 is: 4,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.40 : 7,758.84 = 3,104.47 : x
  2. Step 2: Convert to fraction form
    5,622.40/7,758.84 = 3,104.47/x
  3. Step 3: Cross multiply
    5,622.40x = 7,758.84 × 3,104.47
  4. Step 4: Simplify right side
    5,622.40x = 24,087,086.01
  5. Step 5: Solve for x
    x = 24,087,086.01/5,622.40
  6. Step 6: Final answer
    x = 4,284.13

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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.