Home / 5,661.19-7,812.44-3,302.87

Finding the Fourth Proportional to 5,661.19, 7,812.44 and 3,302.87

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Solution

The fourth proportional to 5,661.19, 7,812.44 and 3,302.87 is: 4,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.19 : 7,812.44 = 3,302.87 : x
  2. Step 2: Convert to fraction form
    5,661.19/7,812.44 = 3,302.87/x
  3. Step 3: Cross multiply
    5,661.19x = 7,812.44 × 3,302.87
  4. Step 4: Simplify right side
    5,661.19x = 25,803,473.70
  5. Step 5: Solve for x
    x = 25,803,473.70/5,661.19
  6. Step 6: Final answer
    x = 4,557.96

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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.