Home / 1,913.76-2,641.08-1,063.02

Finding the Fourth Proportional to 1,913.76, 2,641.08 and 1,063.02

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Solution

The fourth proportional to 1,913.76, 2,641.08 and 1,063.02 is: 1,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913.76 : 2,641.08 = 1,063.02 : x
  2. Step 2: Convert to fraction form
    1,913.76/2,641.08 = 1,063.02/x
  3. Step 3: Cross multiply
    1,913.76x = 2,641.08 × 1,063.02
  4. Step 4: Simplify right side
    1,913.76x = 2,807,520.86
  5. Step 5: Solve for x
    x = 2,807,520.86/1,913.76
  6. Step 6: Final answer
    x = 1,467.02

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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.