Home / 7,421.22-10,240.02-4,589.06

Finding the Fourth Proportional to 7,421.22, 10,240.02 and 4,589.06

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Solution

The fourth proportional to 7,421.22, 10,240.02 and 4,589.06 is: 6,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.22 : 10,240.02 = 4,589.06 : x
  2. Step 2: Convert to fraction form
    7,421.22/10,240.02 = 4,589.06/x
  3. Step 3: Cross multiply
    7,421.22x = 10,240.02 × 4,589.06
  4. Step 4: Simplify right side
    7,421.22x = 46,992,014.98
  5. Step 5: Solve for x
    x = 46,992,014.98/7,421.22
  6. Step 6: Final answer
    x = 6,332.11

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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.