Home / 5,831.35-8,740.78-2,316.49

Finding the Fourth Proportional to 5,831.35, 8,740.78 and 2,316.49

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Solution

The fourth proportional to 5,831.35, 8,740.78 and 2,316.49 is: 3,472.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.35 : 8,740.78 = 2,316.49 : x
  2. Step 2: Convert to fraction form
    5,831.35/8,740.78 = 2,316.49/x
  3. Step 3: Cross multiply
    5,831.35x = 8,740.78 × 2,316.49
  4. Step 4: Simplify right side
    5,831.35x = 20,247,901.82
  5. Step 5: Solve for x
    x = 20,247,901.82/5,831.35
  6. Step 6: Final answer
    x = 3,472.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.