Home / 4,652.31-6,420.55-2,663.49

Finding the Fourth Proportional to 4,652.31, 6,420.55 and 2,663.49

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Solution

The fourth proportional to 4,652.31, 6,420.55 and 2,663.49 is: 3,675.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.31 : 6,420.55 = 2,663.49 : x
  2. Step 2: Convert to fraction form
    4,652.31/6,420.55 = 2,663.49/x
  3. Step 3: Cross multiply
    4,652.31x = 6,420.55 × 2,663.49
  4. Step 4: Simplify right side
    4,652.31x = 17,101,070.72
  5. Step 5: Solve for x
    x = 17,101,070.72/4,652.31
  6. Step 6: Final answer
    x = 3,675.82

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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.