Home / 4,685.49-7,029.25-1,565.78

Finding the Fourth Proportional to 4,685.49, 7,029.25 and 1,565.78

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Solution

The fourth proportional to 4,685.49, 7,029.25 and 1,565.78 is: 2,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.49 : 7,029.25 = 1,565.78 : x
  2. Step 2: Convert to fraction form
    4,685.49/7,029.25 = 1,565.78/x
  3. Step 3: Cross multiply
    4,685.49x = 7,029.25 × 1,565.78
  4. Step 4: Simplify right side
    4,685.49x = 11,006,259.07
  5. Step 5: Solve for x
    x = 11,006,259.07/4,685.49
  6. Step 6: Final answer
    x = 2,349.01

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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.