Home / 2,655.06-3,663.90-1,535.92

Finding the Fourth Proportional to 2,655.06, 3,663.90 and 1,535.92

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Solution

The fourth proportional to 2,655.06, 3,663.90 and 1,535.92 is: 2,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.06 : 3,663.90 = 1,535.92 : x
  2. Step 2: Convert to fraction form
    2,655.06/3,663.90 = 1,535.92/x
  3. Step 3: Cross multiply
    2,655.06x = 3,663.90 × 1,535.92
  4. Step 4: Simplify right side
    2,655.06x = 5,627,457.29
  5. Step 5: Solve for x
    x = 5,627,457.29/2,655.06
  6. Step 6: Final answer
    x = 2,119.52

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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.