Home / 3,117.84-4,300.52-2,454.44

Finding the Fourth Proportional to 3,117.84, 4,300.52 and 2,454.44

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Solution

The fourth proportional to 3,117.84, 4,300.52 and 2,454.44 is: 3,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.84 : 4,300.52 = 2,454.44 : x
  2. Step 2: Convert to fraction form
    3,117.84/4,300.52 = 2,454.44/x
  3. Step 3: Cross multiply
    3,117.84x = 4,300.52 × 2,454.44
  4. Step 4: Simplify right side
    3,117.84x = 10,555,368.31
  5. Step 5: Solve for x
    x = 10,555,368.31/3,117.84
  6. Step 6: Final answer
    x = 3,385.47

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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.