Home / 3,630.58-5,421.21-3,532.16

Finding the Fourth Proportional to 3,630.58, 5,421.21 and 3,532.16

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Solution

The fourth proportional to 3,630.58, 5,421.21 and 3,532.16 is: 5,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.58 : 5,421.21 = 3,532.16 : x
  2. Step 2: Convert to fraction form
    3,630.58/5,421.21 = 3,532.16/x
  3. Step 3: Cross multiply
    3,630.58x = 5,421.21 × 3,532.16
  4. Step 4: Simplify right side
    3,630.58x = 19,148,581.42
  5. Step 5: Solve for x
    x = 19,148,581.42/3,630.58
  6. Step 6: Final answer
    x = 5,274.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.