Home / 3,933.54-5,430.56-2,609.06

Finding the Fourth Proportional to 3,933.54, 5,430.56 and 2,609.06

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Solution

The fourth proportional to 3,933.54, 5,430.56 and 2,609.06 is: 3,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.54 : 5,430.56 = 2,609.06 : x
  2. Step 2: Convert to fraction form
    3,933.54/5,430.56 = 2,609.06/x
  3. Step 3: Cross multiply
    3,933.54x = 5,430.56 × 2,609.06
  4. Step 4: Simplify right side
    3,933.54x = 14,168,616.68
  5. Step 5: Solve for x
    x = 14,168,616.68/3,933.54
  6. Step 6: Final answer
    x = 3,602.00

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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.