Home / 3,661.13-5,052.76-2,403.20

Finding the Fourth Proportional to 3,661.13, 5,052.76 and 2,403.20

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Solution

The fourth proportional to 3,661.13, 5,052.76 and 2,403.20 is: 3,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.13 : 5,052.76 = 2,403.20 : x
  2. Step 2: Convert to fraction form
    3,661.13/5,052.76 = 2,403.20/x
  3. Step 3: Cross multiply
    3,661.13x = 5,052.76 × 2,403.20
  4. Step 4: Simplify right side
    3,661.13x = 12,142,799.46
  5. Step 5: Solve for x
    x = 12,142,799.46/3,661.13
  6. Step 6: Final answer
    x = 3,316.68

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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.