Home / 2,765.48-4,141.56-1,774.76

Finding the Fourth Proportional to 2,765.48, 4,141.56 and 1,774.76

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Solution

The fourth proportional to 2,765.48, 4,141.56 and 1,774.76 is: 2,657.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.48 : 4,141.56 = 1,774.76 : x
  2. Step 2: Convert to fraction form
    2,765.48/4,141.56 = 1,774.76/x
  3. Step 3: Cross multiply
    2,765.48x = 4,141.56 × 1,774.76
  4. Step 4: Simplify right side
    2,765.48x = 7,350,275.03
  5. Step 5: Solve for x
    x = 7,350,275.03/2,765.48
  6. Step 6: Final answer
    x = 2,657.87

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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.