Home / 5,076.07-7,612.65-1,787.33

Finding the Fourth Proportional to 5,076.07, 7,612.65 and 1,787.33

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Solution

The fourth proportional to 5,076.07, 7,612.65 and 1,787.33 is: 2,680.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.07 : 7,612.65 = 1,787.33 : x
  2. Step 2: Convert to fraction form
    5,076.07/7,612.65 = 1,787.33/x
  3. Step 3: Cross multiply
    5,076.07x = 7,612.65 × 1,787.33
  4. Step 4: Simplify right side
    5,076.07x = 13,606,336.76
  5. Step 5: Solve for x
    x = 13,606,336.76/5,076.07
  6. Step 6: Final answer
    x = 2,680.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.