Home / 3,973.20-5,487.03-3,303.42

Finding the Fourth Proportional to 3,973.20, 5,487.03 and 3,303.42

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Solution

The fourth proportional to 3,973.20, 5,487.03 and 3,303.42 is: 4,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.20 : 5,487.03 = 3,303.42 : x
  2. Step 2: Convert to fraction form
    3,973.20/5,487.03 = 3,303.42/x
  3. Step 3: Cross multiply
    3,973.20x = 5,487.03 × 3,303.42
  4. Step 4: Simplify right side
    3,973.20x = 18,125,964.64
  5. Step 5: Solve for x
    x = 18,125,964.64/3,973.20
  6. Step 6: Final answer
    x = 4,562.06

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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.