Home / 3,155.88-4,353.84-2,094.16

Finding the Fourth Proportional to 3,155.88, 4,353.84 and 2,094.16

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Solution

The fourth proportional to 3,155.88, 4,353.84 and 2,094.16 is: 2,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.88 : 4,353.84 = 2,094.16 : x
  2. Step 2: Convert to fraction form
    3,155.88/4,353.84 = 2,094.16/x
  3. Step 3: Cross multiply
    3,155.88x = 4,353.84 × 2,094.16
  4. Step 4: Simplify right side
    3,155.88x = 9,117,637.57
  5. Step 5: Solve for x
    x = 9,117,637.57/3,155.88
  6. Step 6: Final answer
    x = 2,889.10

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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.