Home / 5,690.28-7,851.80-3,333.18

Finding the Fourth Proportional to 5,690.28, 7,851.80 and 3,333.18

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Solution

The fourth proportional to 5,690.28, 7,851.80 and 3,333.18 is: 4,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.28 : 7,851.80 = 3,333.18 : x
  2. Step 2: Convert to fraction form
    5,690.28/7,851.80 = 3,333.18/x
  3. Step 3: Cross multiply
    5,690.28x = 7,851.80 × 3,333.18
  4. Step 4: Simplify right side
    5,690.28x = 26,171,462.72
  5. Step 5: Solve for x
    x = 26,171,462.72/5,690.28
  6. Step 6: Final answer
    x = 4,599.33

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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.