Home / 5,431.41-8,127.68-4,703.49

Finding the Fourth Proportional to 5,431.41, 8,127.68 and 4,703.49

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Solution

The fourth proportional to 5,431.41, 8,127.68 and 4,703.49 is: 7,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.41 : 8,127.68 = 4,703.49 : x
  2. Step 2: Convert to fraction form
    5,431.41/8,127.68 = 4,703.49/x
  3. Step 3: Cross multiply
    5,431.41x = 8,127.68 × 4,703.49
  4. Step 4: Simplify right side
    5,431.41x = 38,228,438.09
  5. Step 5: Solve for x
    x = 38,228,438.09/5,431.41
  6. Step 6: Final answer
    x = 7,038.40

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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.