Home / 7,403.21-10,214.75-4,420.01

Finding the Fourth Proportional to 7,403.21, 10,214.75 and 4,420.01

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Solution

The fourth proportional to 7,403.21, 10,214.75 and 4,420.01 is: 6,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.21 : 10,214.75 = 4,420.01 : x
  2. Step 2: Convert to fraction form
    7,403.21/10,214.75 = 4,420.01/x
  3. Step 3: Cross multiply
    7,403.21x = 10,214.75 × 4,420.01
  4. Step 4: Simplify right side
    7,403.21x = 45,149,275.05
  5. Step 5: Solve for x
    x = 45,149,275.05/7,403.21
  6. Step 6: Final answer
    x = 6,098.61

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Half scale
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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.