Home / 1,535.15-2,117.75-1,092.29

Finding the Fourth Proportional to 1,535.15, 2,117.75 and 1,092.29

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Solution

The fourth proportional to 1,535.15, 2,117.75 and 1,092.29 is: 1,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.15 : 2,117.75 = 1,092.29 : x
  2. Step 2: Convert to fraction form
    1,535.15/2,117.75 = 1,092.29/x
  3. Step 3: Cross multiply
    1,535.15x = 2,117.75 × 1,092.29
  4. Step 4: Simplify right side
    1,535.15x = 2,313,181.10
  5. Step 5: Solve for x
    x = 2,313,181.10/1,535.15
  6. Step 6: Final answer
    x = 1,506.81

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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.