Home / 4,730.16-7,090.08-1,807.20

Finding the Fourth Proportional to 4,730.16, 7,090.08 and 1,807.20

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Solution

The fourth proportional to 4,730.16, 7,090.08 and 1,807.20 is: 2,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,730.16 : 7,090.08 = 1,807.20 : x
  2. Step 2: Convert to fraction form
    4,730.16/7,090.08 = 1,807.20/x
  3. Step 3: Cross multiply
    4,730.16x = 7,090.08 × 1,807.20
  4. Step 4: Simplify right side
    4,730.16x = 12,813,192.58
  5. Step 5: Solve for x
    x = 12,813,192.58/4,730.16
  6. Step 6: Final answer
    x = 2,708.83

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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.