Home / 7,031.56-10,549.53-2,101.39

Finding the Fourth Proportional to 7,031.56, 10,549.53 and 2,101.39

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Solution

The fourth proportional to 7,031.56, 10,549.53 and 2,101.39 is: 3,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.56 : 10,549.53 = 2,101.39 : x
  2. Step 2: Convert to fraction form
    7,031.56/10,549.53 = 2,101.39/x
  3. Step 3: Cross multiply
    7,031.56x = 10,549.53 × 2,101.39
  4. Step 4: Simplify right side
    7,031.56x = 22,168,690.03
  5. Step 5: Solve for x
    x = 22,168,690.03/7,031.56
  6. Step 6: Final answer
    x = 3,152.74

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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.