Home / 1,795.57-2,478.20-1,132.79

Finding the Fourth Proportional to 1,795.57, 2,478.20 and 1,132.79

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Solution

The fourth proportional to 1,795.57, 2,478.20 and 1,132.79 is: 1,563.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.57 : 2,478.20 = 1,132.79 : x
  2. Step 2: Convert to fraction form
    1,795.57/2,478.20 = 1,132.79/x
  3. Step 3: Cross multiply
    1,795.57x = 2,478.20 × 1,132.79
  4. Step 4: Simplify right side
    1,795.57x = 2,807,262.12
  5. Step 5: Solve for x
    x = 2,807,262.12/1,795.57
  6. Step 6: Final answer
    x = 1,563.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.