Home / 4,818.12-6,649.04-2,722.40

Finding the Fourth Proportional to 4,818.12, 6,649.04 and 2,722.40

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Solution

The fourth proportional to 4,818.12, 6,649.04 and 2,722.40 is: 3,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.12 : 6,649.04 = 2,722.40 : x
  2. Step 2: Convert to fraction form
    4,818.12/6,649.04 = 2,722.40/x
  3. Step 3: Cross multiply
    4,818.12x = 6,649.04 × 2,722.40
  4. Step 4: Simplify right side
    4,818.12x = 18,101,346.50
  5. Step 5: Solve for x
    x = 18,101,346.50/4,818.12
  6. Step 6: Final answer
    x = 3,756.93

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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.