Home / 5,409.23-8,074.71-4,753.13

Finding the Fourth Proportional to 5,409.23, 8,074.71 and 4,753.13

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Solution

The fourth proportional to 5,409.23, 8,074.71 and 4,753.13 is: 7,095.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.23 : 8,074.71 = 4,753.13 : x
  2. Step 2: Convert to fraction form
    5,409.23/8,074.71 = 4,753.13/x
  3. Step 3: Cross multiply
    5,409.23x = 8,074.71 × 4,753.13
  4. Step 4: Simplify right side
    5,409.23x = 38,380,105.97
  5. Step 5: Solve for x
    x = 38,380,105.97/5,409.23
  6. Step 6: Final answer
    x = 7,095.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.