Home / 5,112.51-7,051.21-3,695.95

Finding the Fourth Proportional to 5,112.51, 7,051.21 and 3,695.95

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Solution

The fourth proportional to 5,112.51, 7,051.21 and 3,695.95 is: 5,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.51 : 7,051.21 = 3,695.95 : x
  2. Step 2: Convert to fraction form
    5,112.51/7,051.21 = 3,695.95/x
  3. Step 3: Cross multiply
    5,112.51x = 7,051.21 × 3,695.95
  4. Step 4: Simplify right side
    5,112.51x = 26,060,919.60
  5. Step 5: Solve for x
    x = 26,060,919.60/5,112.51
  6. Step 6: Final answer
    x = 5,097.48

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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.