Home / 1,566.45-2,159.51-976.59

Finding the Fourth Proportional to 1,566.45, 2,159.51 and 976.59

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Solution

The fourth proportional to 1,566.45, 2,159.51 and 976.59 is: 1,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.45 : 2,159.51 = 976.59 : x
  2. Step 2: Convert to fraction form
    1,566.45/2,159.51 = 976.59/x
  3. Step 3: Cross multiply
    1,566.45x = 2,159.51 × 976.59
  4. Step 4: Simplify right side
    1,566.45x = 2,108,950.99
  5. Step 5: Solve for x
    x = 2,108,950.99/1,566.45
  6. Step 6: Final answer
    x = 1,346.33

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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.