Home / 5,445.63-7,513.97-3,087.32

Finding the Fourth Proportional to 5,445.63, 7,513.97 and 3,087.32

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Solution

The fourth proportional to 5,445.63, 7,513.97 and 3,087.32 is: 4,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.63 : 7,513.97 = 3,087.32 : x
  2. Step 2: Convert to fraction form
    5,445.63/7,513.97 = 3,087.32/x
  3. Step 3: Cross multiply
    5,445.63x = 7,513.97 × 3,087.32
  4. Step 4: Simplify right side
    5,445.63x = 23,197,976.85
  5. Step 5: Solve for x
    x = 23,197,976.85/5,445.63
  6. Step 6: Final answer
    x = 4,259.93

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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.