Home / 5,542.16-8,312.28-2,078.80

Finding the Fourth Proportional to 5,542.16, 8,312.28 and 2,078.80

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Solution

The fourth proportional to 5,542.16, 8,312.28 and 2,078.80 is: 3,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.16 : 8,312.28 = 2,078.80 : x
  2. Step 2: Convert to fraction form
    5,542.16/8,312.28 = 2,078.80/x
  3. Step 3: Cross multiply
    5,542.16x = 8,312.28 × 2,078.80
  4. Step 4: Simplify right side
    5,542.16x = 17,279,567.66
  5. Step 5: Solve for x
    x = 17,279,567.66/5,542.16
  6. Step 6: Final answer
    x = 3,117.84

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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.