Home / 5,712.58-7,882.95-3,354.40

Finding the Fourth Proportional to 5,712.58, 7,882.95 and 3,354.40

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Solution

The fourth proportional to 5,712.58, 7,882.95 and 3,354.40 is: 4,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.58 : 7,882.95 = 3,354.40 : x
  2. Step 2: Convert to fraction form
    5,712.58/7,882.95 = 3,354.40/x
  3. Step 3: Cross multiply
    5,712.58x = 7,882.95 × 3,354.40
  4. Step 4: Simplify right side
    5,712.58x = 26,442,567.48
  5. Step 5: Solve for x
    x = 26,442,567.48/5,712.58
  6. Step 6: Final answer
    x = 4,628.83

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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.