Home / 4,717.95-7,077.82-1,555.58

Finding the Fourth Proportional to 4,717.95, 7,077.82 and 1,555.58

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Solution

The fourth proportional to 4,717.95, 7,077.82 and 1,555.58 is: 2,333.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,717.95 : 7,077.82 = 1,555.58 : x
  2. Step 2: Convert to fraction form
    4,717.95/7,077.82 = 1,555.58/x
  3. Step 3: Cross multiply
    4,717.95x = 7,077.82 × 1,555.58
  4. Step 4: Simplify right side
    4,717.95x = 11,010,089.85
  5. Step 5: Solve for x
    x = 11,010,089.85/4,717.95
  6. Step 6: Final answer
    x = 2,333.66

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1.5x scale

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.