Home / 5,407.57-7,462.56-3,171.16

Finding the Fourth Proportional to 5,407.57, 7,462.56 and 3,171.16

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Solution

The fourth proportional to 5,407.57, 7,462.56 and 3,171.16 is: 4,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.57 : 7,462.56 = 3,171.16 : x
  2. Step 2: Convert to fraction form
    5,407.57/7,462.56 = 3,171.16/x
  3. Step 3: Cross multiply
    5,407.57x = 7,462.56 × 3,171.16
  4. Step 4: Simplify right side
    5,407.57x = 23,664,971.77
  5. Step 5: Solve for x
    x = 23,664,971.77/5,407.57
  6. Step 6: Final answer
    x = 4,376.27

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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.