Home / 3,099.16-4,648.80-1,225.00

Finding the Fourth Proportional to 3,099.16, 4,648.80 and 1,225.00

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Solution

The fourth proportional to 3,099.16, 4,648.80 and 1,225.00 is: 1,837.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.16 : 4,648.80 = 1,225.00 : x
  2. Step 2: Convert to fraction form
    3,099.16/4,648.80 = 1,225.00/x
  3. Step 3: Cross multiply
    3,099.16x = 4,648.80 × 1,225.00
  4. Step 4: Simplify right side
    3,099.16x = 5,694,750.63
  5. Step 5: Solve for x
    x = 5,694,750.63/3,099.16
  6. Step 6: Final answer
    x = 1,837.52

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1.5x scale

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.