Home / 5,543.09-7,649.47-3,554.81

Finding the Fourth Proportional to 5,543.09, 7,649.47 and 3,554.81

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Solution

The fourth proportional to 5,543.09, 7,649.47 and 3,554.81 is: 4,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.09 : 7,649.47 = 3,554.81 : x
  2. Step 2: Convert to fraction form
    5,543.09/7,649.47 = 3,554.81/x
  3. Step 3: Cross multiply
    5,543.09x = 7,649.47 × 3,554.81
  4. Step 4: Simplify right side
    5,543.09x = 27,192,412.45
  5. Step 5: Solve for x
    x = 27,192,412.45/5,543.09
  6. Step 6: Final answer
    x = 4,905.64

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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.