Home / 7,070.23-9,756.53-4,237.71

Finding the Fourth Proportional to 7,070.23, 9,756.53 and 4,237.71

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Solution

The fourth proportional to 7,070.23, 9,756.53 and 4,237.71 is: 5,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.23 : 9,756.53 = 4,237.71 : x
  2. Step 2: Convert to fraction form
    7,070.23/9,756.53 = 4,237.71/x
  3. Step 3: Cross multiply
    7,070.23x = 9,756.53 × 4,237.71
  4. Step 4: Simplify right side
    7,070.23x = 41,345,344.75
  5. Step 5: Solve for x
    x = 41,345,344.75/7,070.23
  6. Step 6: Final answer
    x = 5,847.81

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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.