Home / 3,970.01-5,475.44-2,712.48

Finding the Fourth Proportional to 3,970.01, 5,475.44 and 2,712.48

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Solution

The fourth proportional to 3,970.01, 5,475.44 and 2,712.48 is: 3,741.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.01 : 5,475.44 = 2,712.48 : x
  2. Step 2: Convert to fraction form
    3,970.01/5,475.44 = 2,712.48/x
  3. Step 3: Cross multiply
    3,970.01x = 5,475.44 × 2,712.48
  4. Step 4: Simplify right side
    3,970.01x = 14,852,007.93
  5. Step 5: Solve for x
    x = 14,852,007.93/3,970.01
  6. Step 6: Final answer
    x = 3,741.06

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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.