Home / 5,400.76-7,453.65-3,411.22

Finding the Fourth Proportional to 5,400.76, 7,453.65 and 3,411.22

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Solution

The fourth proportional to 5,400.76, 7,453.65 and 3,411.22 is: 4,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.76 : 7,453.65 = 3,411.22 : x
  2. Step 2: Convert to fraction form
    5,400.76/7,453.65 = 3,411.22/x
  3. Step 3: Cross multiply
    5,400.76x = 7,453.65 × 3,411.22
  4. Step 4: Simplify right side
    5,400.76x = 25,426,039.95
  5. Step 5: Solve for x
    x = 25,426,039.95/5,400.76
  6. Step 6: Final answer
    x = 4,707.86

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Half scale
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Double scale
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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.