Home / 5,612.25-7,740.90-4,767.09

Finding the Fourth Proportional to 5,612.25, 7,740.90 and 4,767.09

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Solution

The fourth proportional to 5,612.25, 7,740.90 and 4,767.09 is: 6,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.25 : 7,740.90 = 4,767.09 : x
  2. Step 2: Convert to fraction form
    5,612.25/7,740.90 = 4,767.09/x
  3. Step 3: Cross multiply
    5,612.25x = 7,740.90 × 4,767.09
  4. Step 4: Simplify right side
    5,612.25x = 36,901,566.98
  5. Step 5: Solve for x
    x = 36,901,566.98/5,612.25
  6. Step 6: Final answer
    x = 6,575.18

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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.