Home / 1,159.29-1,598.89-1,026.64

Finding the Fourth Proportional to 1,159.29, 1,598.89 and 1,026.64

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Solution

The fourth proportional to 1,159.29, 1,598.89 and 1,026.64 is: 1,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159.29 : 1,598.89 = 1,026.64 : x
  2. Step 2: Convert to fraction form
    1,159.29/1,598.89 = 1,026.64/x
  3. Step 3: Cross multiply
    1,159.29x = 1,598.89 × 1,026.64
  4. Step 4: Simplify right side
    1,159.29x = 1,641,484.43
  5. Step 5: Solve for x
    x = 1,641,484.43/1,159.29
  6. Step 6: Final answer
    x = 1,415.94

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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.