Home / 3,385.17-4,671.54-1,893.15

Finding the Fourth Proportional to 3,385.17, 4,671.54 and 1,893.15

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Solution

The fourth proportional to 3,385.17, 4,671.54 and 1,893.15 is: 2,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.17 : 4,671.54 = 1,893.15 : x
  2. Step 2: Convert to fraction form
    3,385.17/4,671.54 = 1,893.15/x
  3. Step 3: Cross multiply
    3,385.17x = 4,671.54 × 1,893.15
  4. Step 4: Simplify right side
    3,385.17x = 8,843,925.95
  5. Step 5: Solve for x
    x = 8,843,925.95/3,385.17
  6. Step 6: Final answer
    x = 2,612.55

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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.