Home / 4,720.10-7,080.51-2,256.02

Finding the Fourth Proportional to 4,720.10, 7,080.51 and 2,256.02

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Solution

The fourth proportional to 4,720.10, 7,080.51 and 2,256.02 is: 3,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.10 : 7,080.51 = 2,256.02 : x
  2. Step 2: Convert to fraction form
    4,720.10/7,080.51 = 2,256.02/x
  3. Step 3: Cross multiply
    4,720.10x = 7,080.51 × 2,256.02
  4. Step 4: Simplify right side
    4,720.10x = 15,973,772.17
  5. Step 5: Solve for x
    x = 15,973,772.17/4,720.10
  6. Step 6: Final answer
    x = 3,384.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.