Home / 2,529.96-3,490.38-1,534.56

Finding the Fourth Proportional to 2,529.96, 3,490.38 and 1,534.56

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Solution

The fourth proportional to 2,529.96, 3,490.38 and 1,534.56 is: 2,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.96 : 3,490.38 = 1,534.56 : x
  2. Step 2: Convert to fraction form
    2,529.96/3,490.38 = 1,534.56/x
  3. Step 3: Cross multiply
    2,529.96x = 3,490.38 × 1,534.56
  4. Step 4: Simplify right side
    2,529.96x = 5,356,197.53
  5. Step 5: Solve for x
    x = 5,356,197.53/2,529.96
  6. Step 6: Final answer
    x = 2,117.11

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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.