Home / 5,447.88-7,518.42-3,089.16

Finding the Fourth Proportional to 5,447.88, 7,518.42 and 3,089.16

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Solution

The fourth proportional to 5,447.88, 7,518.42 and 3,089.16 is: 4,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.88 : 7,518.42 = 3,089.16 : x
  2. Step 2: Convert to fraction form
    5,447.88/7,518.42 = 3,089.16/x
  3. Step 3: Cross multiply
    5,447.88x = 7,518.42 × 3,089.16
  4. Step 4: Simplify right side
    5,447.88x = 23,225,602.33
  5. Step 5: Solve for x
    x = 23,225,602.33/5,447.88
  6. Step 6: Final answer
    x = 4,263.24

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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.