Home / 5,015.42-6,921.39-3,250.10

Finding the Fourth Proportional to 5,015.42, 6,921.39 and 3,250.10

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Solution

The fourth proportional to 5,015.42, 6,921.39 and 3,250.10 is: 4,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.42 : 6,921.39 = 3,250.10 : x
  2. Step 2: Convert to fraction form
    5,015.42/6,921.39 = 3,250.10/x
  3. Step 3: Cross multiply
    5,015.42x = 6,921.39 × 3,250.10
  4. Step 4: Simplify right side
    5,015.42x = 22,495,209.64
  5. Step 5: Solve for x
    x = 22,495,209.64/5,015.42
  6. Step 6: Final answer
    x = 4,485.21

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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.