Home / 7,107.28-10,657-3,303.76

Finding the Fourth Proportional to 7,107.28, 10,657 and 3,303.76

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Solution

The fourth proportional to 7,107.28, 10,657 and 3,303.76 is: 4,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.28 : 10,657 = 3,303.76 : x
  2. Step 2: Convert to fraction form
    7,107.28/10,657 = 3,303.76/x
  3. Step 3: Cross multiply
    7,107.28x = 10,657 × 3,303.76
  4. Step 4: Simplify right side
    7,107.28x = 35,208,170.32
  5. Step 5: Solve for x
    x = 35,208,170.32/7,107.28
  6. Step 6: Final answer
    x = 4,953.82

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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.