Home / 2,634.12-3,636.47-1,925.18

Finding the Fourth Proportional to 2,634.12, 3,636.47 and 1,925.18

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Solution

The fourth proportional to 2,634.12, 3,636.47 and 1,925.18 is: 2,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.12 : 3,636.47 = 1,925.18 : x
  2. Step 2: Convert to fraction form
    2,634.12/3,636.47 = 1,925.18/x
  3. Step 3: Cross multiply
    2,634.12x = 3,636.47 × 1,925.18
  4. Step 4: Simplify right side
    2,634.12x = 7,000,831.51
  5. Step 5: Solve for x
    x = 7,000,831.51/2,634.12
  6. Step 6: Final answer
    x = 2,657.75

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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.