Home / 2,529.15-3,490.09-1,410.18

Finding the Fourth Proportional to 2,529.15, 3,490.09 and 1,410.18

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Solution

The fourth proportional to 2,529.15, 3,490.09 and 1,410.18 is: 1,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.15 : 3,490.09 = 1,410.18 : x
  2. Step 2: Convert to fraction form
    2,529.15/3,490.09 = 1,410.18/x
  3. Step 3: Cross multiply
    2,529.15x = 3,490.09 × 1,410.18
  4. Step 4: Simplify right side
    2,529.15x = 4,921,655.12
  5. Step 5: Solve for x
    x = 4,921,655.12/2,529.15
  6. Step 6: Final answer
    x = 1,945.97

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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.