Home / 2,377.42-3,280.75-1,329.46

Finding the Fourth Proportional to 2,377.42, 3,280.75 and 1,329.46

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Solution

The fourth proportional to 2,377.42, 3,280.75 and 1,329.46 is: 1,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.42 : 3,280.75 = 1,329.46 : x
  2. Step 2: Convert to fraction form
    2,377.42/3,280.75 = 1,329.46/x
  3. Step 3: Cross multiply
    2,377.42x = 3,280.75 × 1,329.46
  4. Step 4: Simplify right side
    2,377.42x = 4,361,625.90
  5. Step 5: Solve for x
    x = 4,361,625.90/2,377.42
  6. Step 6: Final answer
    x = 1,834.60

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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.