Home / 5,595.90-7,722.55-3,078.12

Finding the Fourth Proportional to 5,595.90, 7,722.55 and 3,078.12

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Solution

The fourth proportional to 5,595.90, 7,722.55 and 3,078.12 is: 4,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.90 : 7,722.55 = 3,078.12 : x
  2. Step 2: Convert to fraction form
    5,595.90/7,722.55 = 3,078.12/x
  3. Step 3: Cross multiply
    5,595.90x = 7,722.55 × 3,078.12
  4. Step 4: Simplify right side
    5,595.90x = 23,770,935.61
  5. Step 5: Solve for x
    x = 23,770,935.61/5,595.90
  6. Step 6: Final answer
    x = 4,247.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.