Home / 3,147.93-4,342.61-2,444.45

Finding the Fourth Proportional to 3,147.93, 4,342.61 and 2,444.45

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Solution

The fourth proportional to 3,147.93, 4,342.61 and 2,444.45 is: 3,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.93 : 4,342.61 = 2,444.45 : x
  2. Step 2: Convert to fraction form
    3,147.93/4,342.61 = 2,444.45/x
  3. Step 3: Cross multiply
    3,147.93x = 4,342.61 × 2,444.45
  4. Step 4: Simplify right side
    3,147.93x = 10,615,277.41
  5. Step 5: Solve for x
    x = 10,615,277.41/3,147.93
  6. Step 6: Final answer
    x = 3,372.15

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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.