Home / 7,020.87-10,530.15-2,340.46

Finding the Fourth Proportional to 7,020.87, 10,530.15 and 2,340.46

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Solution

The fourth proportional to 7,020.87, 10,530.15 and 2,340.46 is: 3,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.87 : 10,530.15 = 2,340.46 : x
  2. Step 2: Convert to fraction form
    7,020.87/10,530.15 = 2,340.46/x
  3. Step 3: Cross multiply
    7,020.87x = 10,530.15 × 2,340.46
  4. Step 4: Simplify right side
    7,020.87x = 24,645,394.87
  5. Step 5: Solve for x
    x = 24,645,394.87/7,020.87
  6. Step 6: Final answer
    x = 3,510.30

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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.