Home / 5,256.39-7,253.91-2,866.41

Finding the Fourth Proportional to 5,256.39, 7,253.91 and 2,866.41

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Solution

The fourth proportional to 5,256.39, 7,253.91 and 2,866.41 is: 3,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.39 : 7,253.91 = 2,866.41 : x
  2. Step 2: Convert to fraction form
    5,256.39/7,253.91 = 2,866.41/x
  3. Step 3: Cross multiply
    5,256.39x = 7,253.91 × 2,866.41
  4. Step 4: Simplify right side
    5,256.39x = 20,792,680.16
  5. Step 5: Solve for x
    x = 20,792,680.16/5,256.39
  6. Step 6: Final answer
    x = 3,955.70

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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.