Home / 7,291.58-10,061.26-4,147.70

Finding the Fourth Proportional to 7,291.58, 10,061.26 and 4,147.70

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Solution

The fourth proportional to 7,291.58, 10,061.26 and 4,147.70 is: 5,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,291.58 : 10,061.26 = 4,147.70 : x
  2. Step 2: Convert to fraction form
    7,291.58/10,061.26 = 4,147.70/x
  3. Step 3: Cross multiply
    7,291.58x = 10,061.26 × 4,147.70
  4. Step 4: Simplify right side
    7,291.58x = 41,731,088.10
  5. Step 5: Solve for x
    x = 41,731,088.10/7,291.58
  6. Step 6: Final answer
    x = 5,723.19

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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.