Home / 3,649.84-5,475.28-1,341.12

Finding the Fourth Proportional to 3,649.84, 5,475.28 and 1,341.12

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Solution

The fourth proportional to 3,649.84, 5,475.28 and 1,341.12 is: 2,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.84 : 5,475.28 = 1,341.12 : x
  2. Step 2: Convert to fraction form
    3,649.84/5,475.28 = 1,341.12/x
  3. Step 3: Cross multiply
    3,649.84x = 5,475.28 × 1,341.12
  4. Step 4: Simplify right side
    3,649.84x = 7,343,007.51
  5. Step 5: Solve for x
    x = 7,343,007.51/3,649.84
  6. Step 6: Final answer
    x = 2,011.87

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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.