Home / 6,117.48-9,180-2,419.08

Finding the Fourth Proportional to 6,117.48, 9,180 and 2,419.08

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Solution

The fourth proportional to 6,117.48, 9,180 and 2,419.08 is: 3,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.48 : 9,180 = 2,419.08 : x
  2. Step 2: Convert to fraction form
    6,117.48/9,180 = 2,419.08/x
  3. Step 3: Cross multiply
    6,117.48x = 9,180 × 2,419.08
  4. Step 4: Simplify right side
    6,117.48x = 22,207,154.40
  5. Step 5: Solve for x
    x = 22,207,154.40/6,117.48
  6. Step 6: Final answer
    x = 3,630.11

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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.