Home / 5,285.45-7,294.70-3,046.89

Finding the Fourth Proportional to 5,285.45, 7,294.70 and 3,046.89

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Solution

The fourth proportional to 5,285.45, 7,294.70 and 3,046.89 is: 4,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.45 : 7,294.70 = 3,046.89 : x
  2. Step 2: Convert to fraction form
    5,285.45/7,294.70 = 3,046.89/x
  3. Step 3: Cross multiply
    5,285.45x = 7,294.70 × 3,046.89
  4. Step 4: Simplify right side
    5,285.45x = 22,226,148.48
  5. Step 5: Solve for x
    x = 22,226,148.48/5,285.45
  6. Step 6: Final answer
    x = 4,205.16

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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.