Home / 3,089.19-4,262.01-1,761.93

Finding the Fourth Proportional to 3,089.19, 4,262.01 and 1,761.93

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Solution

The fourth proportional to 3,089.19, 4,262.01 and 1,761.93 is: 2,430.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.19 : 4,262.01 = 1,761.93 : x
  2. Step 2: Convert to fraction form
    3,089.19/4,262.01 = 1,761.93/x
  3. Step 3: Cross multiply
    3,089.19x = 4,262.01 × 1,761.93
  4. Step 4: Simplify right side
    3,089.19x = 7,509,363.28
  5. Step 5: Solve for x
    x = 7,509,363.28/3,089.19
  6. Step 6: Final answer
    x = 2,430.85

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1.5x scale

Why These Related Problems?

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