Home / 5,188.08-7,159.26-2,949.64

Finding the Fourth Proportional to 5,188.08, 7,159.26 and 2,949.64

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Solution

The fourth proportional to 5,188.08, 7,159.26 and 2,949.64 is: 4,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.08 : 7,159.26 = 2,949.64 : x
  2. Step 2: Convert to fraction form
    5,188.08/7,159.26 = 2,949.64/x
  3. Step 3: Cross multiply
    5,188.08x = 7,159.26 × 2,949.64
  4. Step 4: Simplify right side
    5,188.08x = 21,117,239.67
  5. Step 5: Solve for x
    x = 21,117,239.67/5,188.08
  6. Step 6: Final answer
    x = 4,070.34

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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.