Home / 5,263.20-7,905.72-4,175.16

Finding the Fourth Proportional to 5,263.20, 7,905.72 and 4,175.16

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Solution

The fourth proportional to 5,263.20, 7,905.72 and 4,175.16 is: 6,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.20 : 7,905.72 = 4,175.16 : x
  2. Step 2: Convert to fraction form
    5,263.20/7,905.72 = 4,175.16/x
  3. Step 3: Cross multiply
    5,263.20x = 7,905.72 × 4,175.16
  4. Step 4: Simplify right side
    5,263.20x = 33,007,645.92
  5. Step 5: Solve for x
    x = 33,007,645.92/5,263.20
  6. Step 6: Final answer
    x = 6,271.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.