Home / 5,395.03-8,078.77-4,300.99

Finding the Fourth Proportional to 5,395.03, 8,078.77 and 4,300.99

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Solution

The fourth proportional to 5,395.03, 8,078.77 and 4,300.99 is: 6,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.03 : 8,078.77 = 4,300.99 : x
  2. Step 2: Convert to fraction form
    5,395.03/8,078.77 = 4,300.99/x
  3. Step 3: Cross multiply
    5,395.03x = 8,078.77 × 4,300.99
  4. Step 4: Simplify right side
    5,395.03x = 34,746,694.16
  5. Step 5: Solve for x
    x = 34,746,694.16/5,395.03
  6. Step 6: Final answer
    x = 6,440.50

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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.