Home / 5,390.52-7,438.96-3,032.68

Finding the Fourth Proportional to 5,390.52, 7,438.96 and 3,032.68

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Solution

The fourth proportional to 5,390.52, 7,438.96 and 3,032.68 is: 4,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.52 : 7,438.96 = 3,032.68 : x
  2. Step 2: Convert to fraction form
    5,390.52/7,438.96 = 3,032.68/x
  3. Step 3: Cross multiply
    5,390.52x = 7,438.96 × 3,032.68
  4. Step 4: Simplify right side
    5,390.52x = 22,559,985.21
  5. Step 5: Solve for x
    x = 22,559,985.21/5,390.52
  6. Step 6: Final answer
    x = 4,185.12

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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.