Home / 5,423.19-8,123.58-4,765.92

Finding the Fourth Proportional to 5,423.19, 8,123.58 and 4,765.92

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Solution

The fourth proportional to 5,423.19, 8,123.58 and 4,765.92 is: 7,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.19 : 8,123.58 = 4,765.92 : x
  2. Step 2: Convert to fraction form
    5,423.19/8,123.58 = 4,765.92/x
  3. Step 3: Cross multiply
    5,423.19x = 8,123.58 × 4,765.92
  4. Step 4: Simplify right side
    5,423.19x = 38,716,332.39
  5. Step 5: Solve for x
    x = 38,716,332.39/5,423.19
  6. Step 6: Final answer
    x = 7,139.03

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