Home / 5,547.12-8,319.78-1,848.48

Finding the Fourth Proportional to 5,547.12, 8,319.78 and 1,848.48

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Solution

The fourth proportional to 5,547.12, 8,319.78 and 1,848.48 is: 2,772.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.12 : 8,319.78 = 1,848.48 : x
  2. Step 2: Convert to fraction form
    5,547.12/8,319.78 = 1,848.48/x
  3. Step 3: Cross multiply
    5,547.12x = 8,319.78 × 1,848.48
  4. Step 4: Simplify right side
    5,547.12x = 15,378,946.93
  5. Step 5: Solve for x
    x = 15,378,946.93/5,547.12
  6. Step 6: Final answer
    x = 2,772.42

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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.