Home / 5,159.74-7,122.13-3,035.18

Finding the Fourth Proportional to 5,159.74, 7,122.13 and 3,035.18

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Solution

The fourth proportional to 5,159.74, 7,122.13 and 3,035.18 is: 4,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.74 : 7,122.13 = 3,035.18 : x
  2. Step 2: Convert to fraction form
    5,159.74/7,122.13 = 3,035.18/x
  3. Step 3: Cross multiply
    5,159.74x = 7,122.13 × 3,035.18
  4. Step 4: Simplify right side
    5,159.74x = 21,616,903.33
  5. Step 5: Solve for x
    x = 21,616,903.33/5,159.74
  6. Step 6: Final answer
    x = 4,189.54

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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.