Home / 5,021.61-6,931.92-3,031.74

Finding the Fourth Proportional to 5,021.61, 6,931.92 and 3,031.74

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Solution

The fourth proportional to 5,021.61, 6,931.92 and 3,031.74 is: 4,185.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.61 : 6,931.92 = 3,031.74 : x
  2. Step 2: Convert to fraction form
    5,021.61/6,931.92 = 3,031.74/x
  3. Step 3: Cross multiply
    5,021.61x = 6,931.92 × 3,031.74
  4. Step 4: Simplify right side
    5,021.61x = 21,015,779.14
  5. Step 5: Solve for x
    x = 21,015,779.14/5,021.61
  6. Step 6: Final answer
    x = 4,185.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.