Home / 5,330.90-7,354.85-3,091.95

Finding the Fourth Proportional to 5,330.90, 7,354.85 and 3,091.95

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Solution

The fourth proportional to 5,330.90, 7,354.85 and 3,091.95 is: 4,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.90 : 7,354.85 = 3,091.95 : x
  2. Step 2: Convert to fraction form
    5,330.90/7,354.85 = 3,091.95/x
  3. Step 3: Cross multiply
    5,330.90x = 7,354.85 × 3,091.95
  4. Step 4: Simplify right side
    5,330.90x = 22,740,813.00
  5. Step 5: Solve for x
    x = 22,740,813.00/5,330.90
  6. Step 6: Final answer
    x = 4,265.85

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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.