Home / 5,119.08-7,065-3,023.16

Finding the Fourth Proportional to 5,119.08, 7,065 and 3,023.16

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Solution

The fourth proportional to 5,119.08, 7,065 and 3,023.16 is: 4,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.08 : 7,065 = 3,023.16 : x
  2. Step 2: Convert to fraction form
    5,119.08/7,065 = 3,023.16/x
  3. Step 3: Cross multiply
    5,119.08x = 7,065 × 3,023.16
  4. Step 4: Simplify right side
    5,119.08x = 21,358,625.40
  5. Step 5: Solve for x
    x = 21,358,625.40/5,119.08
  6. Step 6: Final answer
    x = 4,172.36

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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.