Home / 3,445.88-4,755.34-1,874.00

Finding the Fourth Proportional to 3,445.88, 4,755.34 and 1,874.00

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Solution

The fourth proportional to 3,445.88, 4,755.34 and 1,874.00 is: 2,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.88 : 4,755.34 = 1,874.00 : x
  2. Step 2: Convert to fraction form
    3,445.88/4,755.34 = 1,874.00/x
  3. Step 3: Cross multiply
    3,445.88x = 4,755.34 × 1,874.00
  4. Step 4: Simplify right side
    3,445.88x = 8,911,521.39
  5. Step 5: Solve for x
    x = 8,911,521.39/3,445.88
  6. Step 6: Final answer
    x = 2,586.14

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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.