Home / 7,023.03-10,534.95-2,640.12

Finding the Fourth Proportional to 7,023.03, 10,534.95 and 2,640.12

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Solution

The fourth proportional to 7,023.03, 10,534.95 and 2,640.12 is: 3,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.03 : 10,534.95 = 2,640.12 : x
  2. Step 2: Convert to fraction form
    7,023.03/10,534.95 = 2,640.12/x
  3. Step 3: Cross multiply
    7,023.03x = 10,534.95 × 2,640.12
  4. Step 4: Simplify right side
    7,023.03x = 27,813,532.19
  5. Step 5: Solve for x
    x = 27,813,532.19/7,023.03
  6. Step 6: Final answer
    x = 3,960.33

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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.