Home / 5,122.58-7,070.31-3,353.16

Finding the Fourth Proportional to 5,122.58, 7,070.31 and 3,353.16

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Solution

The fourth proportional to 5,122.58, 7,070.31 and 3,353.16 is: 4,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.58 : 7,070.31 = 3,353.16 : x
  2. Step 2: Convert to fraction form
    5,122.58/7,070.31 = 3,353.16/x
  3. Step 3: Cross multiply
    5,122.58x = 7,070.31 × 3,353.16
  4. Step 4: Simplify right side
    5,122.58x = 23,707,880.68
  5. Step 5: Solve for x
    x = 23,707,880.68/5,122.58
  6. Step 6: Final answer
    x = 4,628.11

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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.