Home / 5,032.32-7,547.86-2,109.03

Finding the Fourth Proportional to 5,032.32, 7,547.86 and 2,109.03

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Solution

The fourth proportional to 5,032.32, 7,547.86 and 2,109.03 is: 3,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,032.32 : 7,547.86 = 2,109.03 : x
  2. Step 2: Convert to fraction form
    5,032.32/7,547.86 = 2,109.03/x
  3. Step 3: Cross multiply
    5,032.32x = 7,547.86 × 2,109.03
  4. Step 4: Simplify right side
    5,032.32x = 15,918,663.18
  5. Step 5: Solve for x
    x = 15,918,663.18/5,032.32
  6. Step 6: Final answer
    x = 3,163.29

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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.