Home / 5,842.40-8,764.83-1,947.11

Finding the Fourth Proportional to 5,842.40, 8,764.83 and 1,947.11

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Solution

The fourth proportional to 5,842.40, 8,764.83 and 1,947.11 is: 2,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,842.40 : 8,764.83 = 1,947.11 : x
  2. Step 2: Convert to fraction form
    5,842.40/8,764.83 = 1,947.11/x
  3. Step 3: Cross multiply
    5,842.40x = 8,764.83 × 1,947.11
  4. Step 4: Simplify right side
    5,842.40x = 17,066,044.32
  5. Step 5: Solve for x
    x = 17,066,044.32/5,842.40
  6. Step 6: Final answer
    x = 2,921.07

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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.