Home / 7,020.37-10,528.74-2,088.70

Finding the Fourth Proportional to 7,020.37, 10,528.74 and 2,088.70

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Solution

The fourth proportional to 7,020.37, 10,528.74 and 2,088.70 is: 3,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.37 : 10,528.74 = 2,088.70 : x
  2. Step 2: Convert to fraction form
    7,020.37/10,528.74 = 2,088.70/x
  3. Step 3: Cross multiply
    7,020.37x = 10,528.74 × 2,088.70
  4. Step 4: Simplify right side
    7,020.37x = 21,991,379.24
  5. Step 5: Solve for x
    x = 21,991,379.24/7,020.37
  6. Step 6: Final answer
    x = 3,132.51

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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.