Home / 2,543.77-3,813.09-1,225.63

Finding the Fourth Proportional to 2,543.77, 3,813.09 and 1,225.63

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Solution

The fourth proportional to 2,543.77, 3,813.09 and 1,225.63 is: 1,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.77 : 3,813.09 = 1,225.63 : x
  2. Step 2: Convert to fraction form
    2,543.77/3,813.09 = 1,225.63/x
  3. Step 3: Cross multiply
    2,543.77x = 3,813.09 × 1,225.63
  4. Step 4: Simplify right side
    2,543.77x = 4,673,437.50
  5. Step 5: Solve for x
    x = 4,673,437.50/2,543.77
  6. Step 6: Final answer
    x = 1,837.21

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1.5x scale

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.