Home / 7,575.48-11,362.95-2,645.10

Finding the Fourth Proportional to 7,575.48, 11,362.95 and 2,645.10

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Solution

The fourth proportional to 7,575.48, 11,362.95 and 2,645.10 is: 3,967.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.48 : 11,362.95 = 2,645.10 : x
  2. Step 2: Convert to fraction form
    7,575.48/11,362.95 = 2,645.10/x
  3. Step 3: Cross multiply
    7,575.48x = 11,362.95 × 2,645.10
  4. Step 4: Simplify right side
    7,575.48x = 30,056,139.05
  5. Step 5: Solve for x
    x = 30,056,139.05/7,575.48
  6. Step 6: Final answer
    x = 3,967.56

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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.