Home / 2,916.12-4,018.20-2,703.60

Finding the Fourth Proportional to 2,916.12, 4,018.20 and 2,703.60

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Solution

The fourth proportional to 2,916.12, 4,018.20 and 2,703.60 is: 3,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.12 : 4,018.20 = 2,703.60 : x
  2. Step 2: Convert to fraction form
    2,916.12/4,018.20 = 2,703.60/x
  3. Step 3: Cross multiply
    2,916.12x = 4,018.20 × 2,703.60
  4. Step 4: Simplify right side
    2,916.12x = 10,863,605.52
  5. Step 5: Solve for x
    x = 10,863,605.52/2,916.12
  6. Step 6: Final answer
    x = 3,725.36

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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.