Home / 5,970.62-8,239.40-3,612.74

Finding the Fourth Proportional to 5,970.62, 8,239.40 and 3,612.74

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Solution

The fourth proportional to 5,970.62, 8,239.40 and 3,612.74 is: 4,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.62 : 8,239.40 = 3,612.74 : x
  2. Step 2: Convert to fraction form
    5,970.62/8,239.40 = 3,612.74/x
  3. Step 3: Cross multiply
    5,970.62x = 8,239.40 × 3,612.74
  4. Step 4: Simplify right side
    5,970.62x = 29,766,809.96
  5. Step 5: Solve for x
    x = 29,766,809.96/5,970.62
  6. Step 6: Final answer
    x = 4,985.55

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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.