Home / 1,467.10-2,024.76-877.78

Finding the Fourth Proportional to 1,467.10, 2,024.76 and 877.78

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Solution

The fourth proportional to 1,467.10, 2,024.76 and 877.78 is: 1,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.10 : 2,024.76 = 877.78 : x
  2. Step 2: Convert to fraction form
    1,467.10/2,024.76 = 877.78/x
  3. Step 3: Cross multiply
    1,467.10x = 2,024.76 × 877.78
  4. Step 4: Simplify right side
    1,467.10x = 1,777,293.83
  5. Step 5: Solve for x
    x = 1,777,293.83/1,467.10
  6. Step 6: Final answer
    x = 1,211.43

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1.5x scale

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.