Home / 3,341.10-5,011.50-875.87

Finding the Fourth Proportional to 3,341.10, 5,011.50 and 875.87

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Solution

The fourth proportional to 3,341.10, 5,011.50 and 875.87 is: 1,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,341.10 : 5,011.50 = 875.87 : x
  2. Step 2: Convert to fraction form
    3,341.10/5,011.50 = 875.87/x
  3. Step 3: Cross multiply
    3,341.10x = 5,011.50 × 875.87
  4. Step 4: Simplify right side
    3,341.10x = 4,389,419.53
  5. Step 5: Solve for x
    x = 4,389,419.53/3,341.10
  6. Step 6: Final answer
    x = 1,313.76

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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.