Home / 3,113.76-4,669.28-1,652.56

Finding the Fourth Proportional to 3,113.76, 4,669.28 and 1,652.56

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Solution

The fourth proportional to 3,113.76, 4,669.28 and 1,652.56 is: 2,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.76 : 4,669.28 = 1,652.56 : x
  2. Step 2: Convert to fraction form
    3,113.76/4,669.28 = 1,652.56/x
  3. Step 3: Cross multiply
    3,113.76x = 4,669.28 × 1,652.56
  4. Step 4: Simplify right side
    3,113.76x = 7,716,265.36
  5. Step 5: Solve for x
    x = 7,716,265.36/3,113.76
  6. Step 6: Final answer
    x = 2,478.12

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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.