Home / 7,554.77-11,332.20-2,557.19

Finding the Fourth Proportional to 7,554.77, 11,332.20 and 2,557.19

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Solution

The fourth proportional to 7,554.77, 11,332.20 and 2,557.19 is: 3,835.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,554.77 : 11,332.20 = 2,557.19 : x
  2. Step 2: Convert to fraction form
    7,554.77/11,332.20 = 2,557.19/x
  3. Step 3: Cross multiply
    7,554.77x = 11,332.20 × 2,557.19
  4. Step 4: Simplify right side
    7,554.77x = 28,978,612.05
  5. Step 5: Solve for x
    x = 28,978,612.05/7,554.77
  6. Step 6: Final answer
    x = 3,835.80

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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.