Home / 1,846.40-2,769.56-750.49

Finding the Fourth Proportional to 1,846.40, 2,769.56 and 750.49

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Solution

The fourth proportional to 1,846.40, 2,769.56 and 750.49 is: 1,125.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.40 : 2,769.56 = 750.49 : x
  2. Step 2: Convert to fraction form
    1,846.40/2,769.56 = 750.49/x
  3. Step 3: Cross multiply
    1,846.40x = 2,769.56 × 750.49
  4. Step 4: Simplify right side
    1,846.40x = 2,078,530.26
  5. Step 5: Solve for x
    x = 2,078,530.26/1,846.40
  6. Step 6: Final answer
    x = 1,125.72

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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.