Home / 2,669.99-3,681.75-1,831.92

Finding the Fourth Proportional to 2,669.99, 3,681.75 and 1,831.92

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Solution

The fourth proportional to 2,669.99, 3,681.75 and 1,831.92 is: 2,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.99 : 3,681.75 = 1,831.92 : x
  2. Step 2: Convert to fraction form
    2,669.99/3,681.75 = 1,831.92/x
  3. Step 3: Cross multiply
    2,669.99x = 3,681.75 × 1,831.92
  4. Step 4: Simplify right side
    2,669.99x = 6,744,664.52
  5. Step 5: Solve for x
    x = 6,744,664.52/2,669.99
  6. Step 6: Final answer
    x = 2,526.10

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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.