Home / 1,470.86-2,026.16-1,260.36

Finding the Fourth Proportional to 1,470.86, 2,026.16 and 1,260.36

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Solution

The fourth proportional to 1,470.86, 2,026.16 and 1,260.36 is: 1,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.86 : 2,026.16 = 1,260.36 : x
  2. Step 2: Convert to fraction form
    1,470.86/2,026.16 = 1,260.36/x
  3. Step 3: Cross multiply
    1,470.86x = 2,026.16 × 1,260.36
  4. Step 4: Simplify right side
    1,470.86x = 2,553,691.02
  5. Step 5: Solve for x
    x = 2,553,691.02/1,470.86
  6. Step 6: Final answer
    x = 1,736.19

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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.