Home / 7,020.68-10,520.46-5,070.92

Finding the Fourth Proportional to 7,020.68, 10,520.46 and 5,070.92

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Solution

The fourth proportional to 7,020.68, 10,520.46 and 5,070.92 is: 7,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.68 : 10,520.46 = 5,070.92 : x
  2. Step 2: Convert to fraction form
    7,020.68/10,520.46 = 5,070.92/x
  3. Step 3: Cross multiply
    7,020.68x = 10,520.46 × 5,070.92
  4. Step 4: Simplify right side
    7,020.68x = 53,348,411.02
  5. Step 5: Solve for x
    x = 53,348,411.02/7,020.68
  6. Step 6: Final answer
    x = 7,598.75

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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.