Home / 5,416.95-8,125.72-1,521.66

Finding the Fourth Proportional to 5,416.95, 8,125.72 and 1,521.66

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Solution

The fourth proportional to 5,416.95, 8,125.72 and 1,521.66 is: 2,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.95 : 8,125.72 = 1,521.66 : x
  2. Step 2: Convert to fraction form
    5,416.95/8,125.72 = 1,521.66/x
  3. Step 3: Cross multiply
    5,416.95x = 8,125.72 × 1,521.66
  4. Step 4: Simplify right side
    5,416.95x = 12,364,609.76
  5. Step 5: Solve for x
    x = 12,364,609.76/5,416.95
  6. Step 6: Final answer
    x = 2,282.58

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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.