Home / 4,726.52-7,089.70-1,439.47

Finding the Fourth Proportional to 4,726.52, 7,089.70 and 1,439.47

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Solution

The fourth proportional to 4,726.52, 7,089.70 and 1,439.47 is: 2,159.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,726.52 : 7,089.70 = 1,439.47 : x
  2. Step 2: Convert to fraction form
    4,726.52/7,089.70 = 1,439.47/x
  3. Step 3: Cross multiply
    4,726.52x = 7,089.70 × 1,439.47
  4. Step 4: Simplify right side
    4,726.52x = 10,205,410.46
  5. Step 5: Solve for x
    x = 10,205,410.46/4,726.52
  6. Step 6: Final answer
    x = 2,159.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.