Home / 7,543.25-10,409.51-4,185.85

Finding the Fourth Proportional to 7,543.25, 10,409.51 and 4,185.85

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Solution

The fourth proportional to 7,543.25, 10,409.51 and 4,185.85 is: 5,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.25 : 10,409.51 = 4,185.85 : x
  2. Step 2: Convert to fraction form
    7,543.25/10,409.51 = 4,185.85/x
  3. Step 3: Cross multiply
    7,543.25x = 10,409.51 × 4,185.85
  4. Step 4: Simplify right side
    7,543.25x = 43,572,680.67
  5. Step 5: Solve for x
    x = 43,572,680.67/7,543.25
  6. Step 6: Final answer
    x = 5,776.38

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Half scale
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Double scale
Find fourth proportional to 7,544.25, 10,410.89 and 4,186.85
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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.