Home / 7,039.14-10,560.15-2,656.50

Finding the Fourth Proportional to 7,039.14, 10,560.15 and 2,656.50

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Solution

The fourth proportional to 7,039.14, 10,560.15 and 2,656.50 is: 3,985.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.14 : 10,560.15 = 2,656.50 : x
  2. Step 2: Convert to fraction form
    7,039.14/10,560.15 = 2,656.50/x
  3. Step 3: Cross multiply
    7,039.14x = 10,560.15 × 2,656.50
  4. Step 4: Simplify right side
    7,039.14x = 28,053,038.48
  5. Step 5: Solve for x
    x = 28,053,038.48/7,039.14
  6. Step 6: Final answer
    x = 3,985.29

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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.