Home / 1,451.24-2,176.15-526.66

Finding the Fourth Proportional to 1,451.24, 2,176.15 and 526.66

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Solution

The fourth proportional to 1,451.24, 2,176.15 and 526.66 is: 789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.24 : 2,176.15 = 526.66 : x
  2. Step 2: Convert to fraction form
    1,451.24/2,176.15 = 526.66/x
  3. Step 3: Cross multiply
    1,451.24x = 2,176.15 × 526.66
  4. Step 4: Simplify right side
    1,451.24x = 1,146,084.40
  5. Step 5: Solve for x
    x = 1,146,084.40/1,451.24
  6. Step 6: Final answer
    x = 789.73

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Why These Related Problems?

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