Home / 4,213.04-5,812.63-2,420.30

Finding the Fourth Proportional to 4,213.04, 5,812.63 and 2,420.30

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Solution

The fourth proportional to 4,213.04, 5,812.63 and 2,420.30 is: 3,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.04 : 5,812.63 = 2,420.30 : x
  2. Step 2: Convert to fraction form
    4,213.04/5,812.63 = 2,420.30/x
  3. Step 3: Cross multiply
    4,213.04x = 5,812.63 × 2,420.30
  4. Step 4: Simplify right side
    4,213.04x = 14,068,316.87
  5. Step 5: Solve for x
    x = 14,068,316.87/4,213.04
  6. Step 6: Final answer
    x = 3,339.24

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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.