Home / 3,461.76-4,777.65-2,796.48

Finding the Fourth Proportional to 3,461.76, 4,777.65 and 2,796.48

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Solution

The fourth proportional to 3,461.76, 4,777.65 and 2,796.48 is: 3,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.76 : 4,777.65 = 2,796.48 : x
  2. Step 2: Convert to fraction form
    3,461.76/4,777.65 = 2,796.48/x
  3. Step 3: Cross multiply
    3,461.76x = 4,777.65 × 2,796.48
  4. Step 4: Simplify right side
    3,461.76x = 13,360,602.67
  5. Step 5: Solve for x
    x = 13,360,602.67/3,461.76
  6. Step 6: Final answer
    x = 3,859.48

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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.