Home / 5,441.90-7,509.84-3,084.20

Finding the Fourth Proportional to 5,441.90, 7,509.84 and 3,084.20

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Solution

The fourth proportional to 5,441.90, 7,509.84 and 3,084.20 is: 4,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.90 : 7,509.84 = 3,084.20 : x
  2. Step 2: Convert to fraction form
    5,441.90/7,509.84 = 3,084.20/x
  3. Step 3: Cross multiply
    5,441.90x = 7,509.84 × 3,084.20
  4. Step 4: Simplify right side
    5,441.90x = 23,161,848.53
  5. Step 5: Solve for x
    x = 23,161,848.53/5,441.90
  6. Step 6: Final answer
    x = 4,256.21

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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.