Home / 7,421.52-10,240.29-4,589.22

Finding the Fourth Proportional to 7,421.52, 10,240.29 and 4,589.22

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Solution

The fourth proportional to 7,421.52, 10,240.29 and 4,589.22 is: 6,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.52 : 10,240.29 = 4,589.22 : x
  2. Step 2: Convert to fraction form
    7,421.52/10,240.29 = 4,589.22/x
  3. Step 3: Cross multiply
    7,421.52x = 10,240.29 × 4,589.22
  4. Step 4: Simplify right side
    7,421.52x = 46,994,943.67
  5. Step 5: Solve for x
    x = 46,994,943.67/7,421.52
  6. Step 6: Final answer
    x = 6,332.25

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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.