Home / 5,603.07-8,398.74-2,091.57

Finding the Fourth Proportional to 5,603.07, 8,398.74 and 2,091.57

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Solution

The fourth proportional to 5,603.07, 8,398.74 and 2,091.57 is: 3,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.07 : 8,398.74 = 2,091.57 : x
  2. Step 2: Convert to fraction form
    5,603.07/8,398.74 = 2,091.57/x
  3. Step 3: Cross multiply
    5,603.07x = 8,398.74 × 2,091.57
  4. Step 4: Simplify right side
    5,603.07x = 17,566,564.45
  5. Step 5: Solve for x
    x = 17,566,564.45/5,603.07
  6. Step 6: Final answer
    x = 3,135.17

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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.