Home / 7,133.12-10,700.74-2,454.34

Finding the Fourth Proportional to 7,133.12, 10,700.74 and 2,454.34

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Solution

The fourth proportional to 7,133.12, 10,700.74 and 2,454.34 is: 3,681.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.12 : 10,700.74 = 2,454.34 : x
  2. Step 2: Convert to fraction form
    7,133.12/10,700.74 = 2,454.34/x
  3. Step 3: Cross multiply
    7,133.12x = 10,700.74 × 2,454.34
  4. Step 4: Simplify right side
    7,133.12x = 26,263,200.71
  5. Step 5: Solve for x
    x = 26,263,200.71/7,133.12
  6. Step 6: Final answer
    x = 3,681.87

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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.