Home / 5,392.22-7,438.75-3,154.18

Finding the Fourth Proportional to 5,392.22, 7,438.75 and 3,154.18

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Solution

The fourth proportional to 5,392.22, 7,438.75 and 3,154.18 is: 4,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.22 : 7,438.75 = 3,154.18 : x
  2. Step 2: Convert to fraction form
    5,392.22/7,438.75 = 3,154.18/x
  3. Step 3: Cross multiply
    5,392.22x = 7,438.75 × 3,154.18
  4. Step 4: Simplify right side
    5,392.22x = 23,463,156.48
  5. Step 5: Solve for x
    x = 23,463,156.48/5,392.22
  6. Step 6: Final answer
    x = 4,351.30

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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.