Home / 4,905.81-7,356.40-1,783.62

Finding the Fourth Proportional to 4,905.81, 7,356.40 and 1,783.62

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Solution

The fourth proportional to 4,905.81, 7,356.40 and 1,783.62 is: 2,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.81 : 7,356.40 = 1,783.62 : x
  2. Step 2: Convert to fraction form
    4,905.81/7,356.40 = 1,783.62/x
  3. Step 3: Cross multiply
    4,905.81x = 7,356.40 × 1,783.62
  4. Step 4: Simplify right side
    4,905.81x = 13,121,022.17
  5. Step 5: Solve for x
    x = 13,121,022.17/4,905.81
  6. Step 6: Final answer
    x = 2,674.59

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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.