Home / 4,652.85-6,422.63-3,081.45

Finding the Fourth Proportional to 4,652.85, 6,422.63 and 3,081.45

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Solution

The fourth proportional to 4,652.85, 6,422.63 and 3,081.45 is: 4,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.85 : 6,422.63 = 3,081.45 : x
  2. Step 2: Convert to fraction form
    4,652.85/6,422.63 = 3,081.45/x
  3. Step 3: Cross multiply
    4,652.85x = 6,422.63 × 3,081.45
  4. Step 4: Simplify right side
    4,652.85x = 19,791,013.21
  5. Step 5: Solve for x
    x = 19,791,013.21/4,652.85
  6. Step 6: Final answer
    x = 4,253.52

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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.