Home / 5,181.68-7,152.28-3,526.64

Finding the Fourth Proportional to 5,181.68, 7,152.28 and 3,526.64

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Solution

The fourth proportional to 5,181.68, 7,152.28 and 3,526.64 is: 4,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.68 : 7,152.28 = 3,526.64 : x
  2. Step 2: Convert to fraction form
    5,181.68/7,152.28 = 3,526.64/x
  3. Step 3: Cross multiply
    5,181.68x = 7,152.28 × 3,526.64
  4. Step 4: Simplify right side
    5,181.68x = 25,223,516.74
  5. Step 5: Solve for x
    x = 25,223,516.74/5,181.68
  6. Step 6: Final answer
    x = 4,867.83

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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.