Home / 5,831.47-8,047.40-3,313.45

Finding the Fourth Proportional to 5,831.47, 8,047.40 and 3,313.45

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Solution

The fourth proportional to 5,831.47, 8,047.40 and 3,313.45 is: 4,572.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,831.47 : 8,047.40 = 3,313.45 : x
  2. Step 2: Convert to fraction form
    5,831.47/8,047.40 = 3,313.45/x
  3. Step 3: Cross multiply
    5,831.47x = 8,047.40 × 3,313.45
  4. Step 4: Simplify right side
    5,831.47x = 26,664,692.29
  5. Step 5: Solve for x
    x = 26,664,692.29/5,831.47
  6. Step 6: Final answer
    x = 4,572.55

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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.