Home / 5,831.07-8,046.63-3,178.42

Finding the Fourth Proportional to 5,831.07, 8,046.63 and 3,178.42

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Solution

The fourth proportional to 5,831.07, 8,046.63 and 3,178.42 is: 4,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.07 : 8,046.63 = 3,178.42 : x
  2. Step 2: Convert to fraction form
    5,831.07/8,046.63 = 3,178.42/x
  3. Step 3: Cross multiply
    5,831.07x = 8,046.63 × 3,178.42
  4. Step 4: Simplify right side
    5,831.07x = 25,575,529.49
  5. Step 5: Solve for x
    x = 25,575,529.49/5,831.07
  6. Step 6: Final answer
    x = 4,386.08

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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.