Home / 5,602.12-7,730.82-3,118.12

Finding the Fourth Proportional to 5,602.12, 7,730.82 and 3,118.12

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Solution

The fourth proportional to 5,602.12, 7,730.82 and 3,118.12 is: 4,302.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602.12 : 7,730.82 = 3,118.12 : x
  2. Step 2: Convert to fraction form
    5,602.12/7,730.82 = 3,118.12/x
  3. Step 3: Cross multiply
    5,602.12x = 7,730.82 × 3,118.12
  4. Step 4: Simplify right side
    5,602.12x = 24,105,624.46
  5. Step 5: Solve for x
    x = 24,105,624.46/5,602.12
  6. Step 6: Final answer
    x = 4,302.95

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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.