Home / 7,042.90-10,563.80-1,848.64

Finding the Fourth Proportional to 7,042.90, 10,563.80 and 1,848.64

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Solution

The fourth proportional to 7,042.90, 10,563.80 and 1,848.64 is: 2,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.90 : 10,563.80 = 1,848.64 : x
  2. Step 2: Convert to fraction form
    7,042.90/10,563.80 = 1,848.64/x
  3. Step 3: Cross multiply
    7,042.90x = 10,563.80 × 1,848.64
  4. Step 4: Simplify right side
    7,042.90x = 19,528,663.23
  5. Step 5: Solve for x
    x = 19,528,663.23/7,042.90
  6. Step 6: Final answer
    x = 2,772.82

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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.