Home / 2,537.18-3,501.40-1,418.12

Finding the Fourth Proportional to 2,537.18, 3,501.40 and 1,418.12

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Solution

The fourth proportional to 2,537.18, 3,501.40 and 1,418.12 is: 1,957.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.18 : 3,501.40 = 1,418.12 : x
  2. Step 2: Convert to fraction form
    2,537.18/3,501.40 = 1,418.12/x
  3. Step 3: Cross multiply
    2,537.18x = 3,501.40 × 1,418.12
  4. Step 4: Simplify right side
    2,537.18x = 4,965,405.37
  5. Step 5: Solve for x
    x = 4,965,405.37/2,537.18
  6. Step 6: Final answer
    x = 1,957.06

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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.