Home / 2,529.31-3,490.70-1,534.51

Finding the Fourth Proportional to 2,529.31, 3,490.70 and 1,534.51

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Solution

The fourth proportional to 2,529.31, 3,490.70 and 1,534.51 is: 2,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.31 : 3,490.70 = 1,534.51 : x
  2. Step 2: Convert to fraction form
    2,529.31/3,490.70 = 1,534.51/x
  3. Step 3: Cross multiply
    2,529.31x = 3,490.70 × 1,534.51
  4. Step 4: Simplify right side
    2,529.31x = 5,356,506.38
  5. Step 5: Solve for x
    x = 5,356,506.38/2,529.31
  6. Step 6: Final answer
    x = 2,117.77

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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.