Home / 4,047.28-6,071.46-1,415.32

Finding the Fourth Proportional to 4,047.28, 6,071.46 and 1,415.32

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Solution

The fourth proportional to 4,047.28, 6,071.46 and 1,415.32 is: 2,123.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.28 : 6,071.46 = 1,415.32 : x
  2. Step 2: Convert to fraction form
    4,047.28/6,071.46 = 1,415.32/x
  3. Step 3: Cross multiply
    4,047.28x = 6,071.46 × 1,415.32
  4. Step 4: Simplify right side
    4,047.28x = 8,593,058.77
  5. Step 5: Solve for x
    x = 8,593,058.77/4,047.28
  6. Step 6: Final answer
    x = 2,123.17

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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.