Home / 5,099.97-7,038.30-2,975.34

Finding the Fourth Proportional to 5,099.97, 7,038.30 and 2,975.34

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Solution

The fourth proportional to 5,099.97, 7,038.30 and 2,975.34 is: 4,106.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.97 : 7,038.30 = 2,975.34 : x
  2. Step 2: Convert to fraction form
    5,099.97/7,038.30 = 2,975.34/x
  3. Step 3: Cross multiply
    5,099.97x = 7,038.30 × 2,975.34
  4. Step 4: Simplify right side
    5,099.97x = 20,941,335.52
  5. Step 5: Solve for x
    x = 20,941,335.52/5,099.97
  6. Step 6: Final answer
    x = 4,106.17

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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.