Home / 2,077.76-2,866.92-1,193.60

Finding the Fourth Proportional to 2,077.76, 2,866.92 and 1,193.60

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Solution

The fourth proportional to 2,077.76, 2,866.92 and 1,193.60 is: 1,646.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.76 : 2,866.92 = 1,193.60 : x
  2. Step 2: Convert to fraction form
    2,077.76/2,866.92 = 1,193.60/x
  3. Step 3: Cross multiply
    2,077.76x = 2,866.92 × 1,193.60
  4. Step 4: Simplify right side
    2,077.76x = 3,421,941.38
  5. Step 5: Solve for x
    x = 3,421,941.38/2,077.76
  6. Step 6: Final answer
    x = 1,646.94

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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.