Home / 5,070.21-7,603.94-3,436.80

Finding the Fourth Proportional to 5,070.21, 7,603.94 and 3,436.80

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Solution

The fourth proportional to 5,070.21, 7,603.94 and 3,436.80 is: 5,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.21 : 7,603.94 = 3,436.80 : x
  2. Step 2: Convert to fraction form
    5,070.21/7,603.94 = 3,436.80/x
  3. Step 3: Cross multiply
    5,070.21x = 7,603.94 × 3,436.80
  4. Step 4: Simplify right side
    5,070.21x = 26,133,201.07
  5. Step 5: Solve for x
    x = 26,133,201.07/5,070.21
  6. Step 6: Final answer
    x = 5,154.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.