Home / 5,474.89-7,555.36-3,117.03

Finding the Fourth Proportional to 5,474.89, 7,555.36 and 3,117.03

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Solution

The fourth proportional to 5,474.89, 7,555.36 and 3,117.03 is: 4,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.89 : 7,555.36 = 3,117.03 : x
  2. Step 2: Convert to fraction form
    5,474.89/7,555.36 = 3,117.03/x
  3. Step 3: Cross multiply
    5,474.89x = 7,555.36 × 3,117.03
  4. Step 4: Simplify right side
    5,474.89x = 23,550,283.78
  5. Step 5: Solve for x
    x = 23,550,283.78/5,474.89
  6. Step 6: Final answer
    x = 4,301.51

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Double scale
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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.