Home / 5,031.36-7,547.58-2,109.96

Finding the Fourth Proportional to 5,031.36, 7,547.58 and 2,109.96

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Solution

The fourth proportional to 5,031.36, 7,547.58 and 2,109.96 is: 3,165.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.36 : 7,547.58 = 2,109.96 : x
  2. Step 2: Convert to fraction form
    5,031.36/7,547.58 = 2,109.96/x
  3. Step 3: Cross multiply
    5,031.36x = 7,547.58 × 2,109.96
  4. Step 4: Simplify right side
    5,031.36x = 15,925,091.90
  5. Step 5: Solve for x
    x = 15,925,091.90/5,031.36
  6. Step 6: Final answer
    x = 3,165.17

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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.