Home / 3,087.17-4,260.38-1,760.84

Finding the Fourth Proportional to 3,087.17, 4,260.38 and 1,760.84

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Solution

The fourth proportional to 3,087.17, 4,260.38 and 1,760.84 is: 2,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.17 : 4,260.38 = 1,760.84 : x
  2. Step 2: Convert to fraction form
    3,087.17/4,260.38 = 1,760.84/x
  3. Step 3: Cross multiply
    3,087.17x = 4,260.38 × 1,760.84
  4. Step 4: Simplify right side
    3,087.17x = 7,501,817.41
  5. Step 5: Solve for x
    x = 7,501,817.41/3,087.17
  6. Step 6: Final answer
    x = 2,430.00

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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.