Home / 5,209.03-7,188.46-2,851.17

Finding the Fourth Proportional to 5,209.03, 7,188.46 and 2,851.17

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Solution

The fourth proportional to 5,209.03, 7,188.46 and 2,851.17 is: 3,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.03 : 7,188.46 = 2,851.17 : x
  2. Step 2: Convert to fraction form
    5,209.03/7,188.46 = 2,851.17/x
  3. Step 3: Cross multiply
    5,209.03x = 7,188.46 × 2,851.17
  4. Step 4: Simplify right side
    5,209.03x = 20,495,543.89
  5. Step 5: Solve for x
    x = 20,495,543.89/5,209.03
  6. Step 6: Final answer
    x = 3,934.62

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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.