Home / 3,113.16-4,295.23-1,853.58

Finding the Fourth Proportional to 3,113.16, 4,295.23 and 1,853.58

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Solution

The fourth proportional to 3,113.16, 4,295.23 and 1,853.58 is: 2,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.16 : 4,295.23 = 1,853.58 : x
  2. Step 2: Convert to fraction form
    3,113.16/4,295.23 = 1,853.58/x
  3. Step 3: Cross multiply
    3,113.16x = 4,295.23 × 1,853.58
  4. Step 4: Simplify right side
    3,113.16x = 7,961,552.42
  5. Step 5: Solve for x
    x = 7,961,552.42/3,113.16
  6. Step 6: Final answer
    x = 2,557.39

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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.