Home / 7,257.24-10,012.70-4,070.10

Finding the Fourth Proportional to 7,257.24, 10,012.70 and 4,070.10

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Solution

The fourth proportional to 7,257.24, 10,012.70 and 4,070.10 is: 5,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.24 : 10,012.70 = 4,070.10 : x
  2. Step 2: Convert to fraction form
    7,257.24/10,012.70 = 4,070.10/x
  3. Step 3: Cross multiply
    7,257.24x = 10,012.70 × 4,070.10
  4. Step 4: Simplify right side
    7,257.24x = 40,752,690.27
  5. Step 5: Solve for x
    x = 40,752,690.27/7,257.24
  6. Step 6: Final answer
    x = 5,615.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.