Home / 7,455.98-10,289.53-4,099.07

Finding the Fourth Proportional to 7,455.98, 10,289.53 and 4,099.07

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Solution

The fourth proportional to 7,455.98, 10,289.53 and 4,099.07 is: 5,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.98 : 10,289.53 = 4,099.07 : x
  2. Step 2: Convert to fraction form
    7,455.98/10,289.53 = 4,099.07/x
  3. Step 3: Cross multiply
    7,455.98x = 10,289.53 × 4,099.07
  4. Step 4: Simplify right side
    7,455.98x = 42,177,534.58
  5. Step 5: Solve for x
    x = 42,177,534.58/7,455.98
  6. Step 6: Final answer
    x = 5,656.87

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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.