Home / 7,098.95-10,647.05-2,715.36

Finding the Fourth Proportional to 7,098.95, 10,647.05 and 2,715.36

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Solution

The fourth proportional to 7,098.95, 10,647.05 and 2,715.36 is: 4,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.95 : 10,647.05 = 2,715.36 : x
  2. Step 2: Convert to fraction form
    7,098.95/10,647.05 = 2,715.36/x
  3. Step 3: Cross multiply
    7,098.95x = 10,647.05 × 2,715.36
  4. Step 4: Simplify right side
    7,098.95x = 28,910,560.11
  5. Step 5: Solve for x
    x = 28,910,560.11/7,098.95
  6. Step 6: Final answer
    x = 4,072.52

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1.5x scale

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.