Home / 2,372.90-3,275.76-1,840.58

Finding the Fourth Proportional to 2,372.90, 3,275.76 and 1,840.58

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Solution

The fourth proportional to 2,372.90, 3,275.76 and 1,840.58 is: 2,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.90 : 3,275.76 = 1,840.58 : x
  2. Step 2: Convert to fraction form
    2,372.90/3,275.76 = 1,840.58/x
  3. Step 3: Cross multiply
    2,372.90x = 3,275.76 × 1,840.58
  4. Step 4: Simplify right side
    2,372.90x = 6,029,298.34
  5. Step 5: Solve for x
    x = 6,029,298.34/2,372.90
  6. Step 6: Final answer
    x = 2,540.90

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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.