Home / 1,861.47-2,566.76-1,197.41

Finding the Fourth Proportional to 1,861.47, 2,566.76 and 1,197.41

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Solution

The fourth proportional to 1,861.47, 2,566.76 and 1,197.41 is: 1,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861.47 : 2,566.76 = 1,197.41 : x
  2. Step 2: Convert to fraction form
    1,861.47/2,566.76 = 1,197.41/x
  3. Step 3: Cross multiply
    1,861.47x = 2,566.76 × 1,197.41
  4. Step 4: Simplify right side
    1,861.47x = 3,073,445.27
  5. Step 5: Solve for x
    x = 3,073,445.27/1,861.47
  6. Step 6: Final answer
    x = 1,651.09

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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.