Home / 2,445.21-3,657.78-2,034.90

Finding the Fourth Proportional to 2,445.21, 3,657.78 and 2,034.90

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Solution

The fourth proportional to 2,445.21, 3,657.78 and 2,034.90 is: 3,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.21 : 3,657.78 = 2,034.90 : x
  2. Step 2: Convert to fraction form
    2,445.21/3,657.78 = 2,034.90/x
  3. Step 3: Cross multiply
    2,445.21x = 3,657.78 × 2,034.90
  4. Step 4: Simplify right side
    2,445.21x = 7,443,216.52
  5. Step 5: Solve for x
    x = 7,443,216.52/2,445.21
  6. Step 6: Final answer
    x = 3,044.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.