Home / 5,431.71-7,496.56-3,442.45

Finding the Fourth Proportional to 5,431.71, 7,496.56 and 3,442.45

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Solution

The fourth proportional to 5,431.71, 7,496.56 and 3,442.45 is: 4,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.71 : 7,496.56 = 3,442.45 : x
  2. Step 2: Convert to fraction form
    5,431.71/7,496.56 = 3,442.45/x
  3. Step 3: Cross multiply
    5,431.71x = 7,496.56 × 3,442.45
  4. Step 4: Simplify right side
    5,431.71x = 25,806,532.97
  5. Step 5: Solve for x
    x = 25,806,532.97/5,431.71
  6. Step 6: Final answer
    x = 4,751.09

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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.