Home / 2,372.02-3,269.55-1,873.78

Finding the Fourth Proportional to 2,372.02, 3,269.55 and 1,873.78

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Solution

The fourth proportional to 2,372.02, 3,269.55 and 1,873.78 is: 2,582.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.02 : 3,269.55 = 1,873.78 : x
  2. Step 2: Convert to fraction form
    2,372.02/3,269.55 = 1,873.78/x
  3. Step 3: Cross multiply
    2,372.02x = 3,269.55 × 1,873.78
  4. Step 4: Simplify right side
    2,372.02x = 6,126,417.40
  5. Step 5: Solve for x
    x = 6,126,417.40/2,372.02
  6. Step 6: Final answer
    x = 2,582.78

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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.