Home / 5,255.36-7,886.99-3,585.54

Finding the Fourth Proportional to 5,255.36, 7,886.99 and 3,585.54

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Solution

The fourth proportional to 5,255.36, 7,886.99 and 3,585.54 is: 5,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.36 : 7,886.99 = 3,585.54 : x
  2. Step 2: Convert to fraction form
    5,255.36/7,886.99 = 3,585.54/x
  3. Step 3: Cross multiply
    5,255.36x = 7,886.99 × 3,585.54
  4. Step 4: Simplify right side
    5,255.36x = 28,279,118.12
  5. Step 5: Solve for x
    x = 28,279,118.12/5,255.36
  6. Step 6: Final answer
    x = 5,381.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.