Home / 5,256.95-7,256.36-3,133.15

Finding the Fourth Proportional to 5,256.95, 7,256.36 and 3,133.15

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Solution

The fourth proportional to 5,256.95, 7,256.36 and 3,133.15 is: 4,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.95 : 7,256.36 = 3,133.15 : x
  2. Step 2: Convert to fraction form
    5,256.95/7,256.36 = 3,133.15/x
  3. Step 3: Cross multiply
    5,256.95x = 7,256.36 × 3,133.15
  4. Step 4: Simplify right side
    5,256.95x = 22,735,230.53
  5. Step 5: Solve for x
    x = 22,735,230.53/5,256.95
  6. Step 6: Final answer
    x = 4,324.79

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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.