Home / 1,562.47-2,156.96-1,065.94

Finding the Fourth Proportional to 1,562.47, 2,156.96 and 1,065.94

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Solution

The fourth proportional to 1,562.47, 2,156.96 and 1,065.94 is: 1,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562.47 : 2,156.96 = 1,065.94 : x
  2. Step 2: Convert to fraction form
    1,562.47/2,156.96 = 1,065.94/x
  3. Step 3: Cross multiply
    1,562.47x = 2,156.96 × 1,065.94
  4. Step 4: Simplify right side
    1,562.47x = 2,299,189.94
  5. Step 5: Solve for x
    x = 2,299,189.94/1,562.47
  6. Step 6: Final answer
    x = 1,471.51

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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.