Home / 5,360.12-8,041.35-1,802.11

Finding the Fourth Proportional to 5,360.12, 8,041.35 and 1,802.11

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Solution

The fourth proportional to 5,360.12, 8,041.35 and 1,802.11 is: 2,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.12 : 8,041.35 = 1,802.11 : x
  2. Step 2: Convert to fraction form
    5,360.12/8,041.35 = 1,802.11/x
  3. Step 3: Cross multiply
    5,360.12x = 8,041.35 × 1,802.11
  4. Step 4: Simplify right side
    5,360.12x = 14,491,397.25
  5. Step 5: Solve for x
    x = 14,491,397.25/5,360.12
  6. Step 6: Final answer
    x = 2,703.56

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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.