Home / 1,657.36-2,484.78-1,072.95

Finding the Fourth Proportional to 1,657.36, 2,484.78 and 1,072.95

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Solution

The fourth proportional to 1,657.36, 2,484.78 and 1,072.95 is: 1,608.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.36 : 2,484.78 = 1,072.95 : x
  2. Step 2: Convert to fraction form
    1,657.36/2,484.78 = 1,072.95/x
  3. Step 3: Cross multiply
    1,657.36x = 2,484.78 × 1,072.95
  4. Step 4: Simplify right side
    1,657.36x = 2,666,031.36
  5. Step 5: Solve for x
    x = 2,666,031.36/1,657.36
  6. Step 6: Final answer
    x = 1,608.60

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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.