Home / 1,953.36-2,695.70-1,114.19

Finding the Fourth Proportional to 1,953.36, 2,695.70 and 1,114.19

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Solution

The fourth proportional to 1,953.36, 2,695.70 and 1,114.19 is: 1,537.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953.36 : 2,695.70 = 1,114.19 : x
  2. Step 2: Convert to fraction form
    1,953.36/2,695.70 = 1,114.19/x
  3. Step 3: Cross multiply
    1,953.36x = 2,695.70 × 1,114.19
  4. Step 4: Simplify right side
    1,953.36x = 3,003,521.98
  5. Step 5: Solve for x
    x = 3,003,521.98/1,953.36
  6. Step 6: Final answer
    x = 1,537.62

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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.