Home / 7,550.94-10,420.74-4,720.08

Finding the Fourth Proportional to 7,550.94, 10,420.74 and 4,720.08

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Solution

The fourth proportional to 7,550.94, 10,420.74 and 4,720.08 is: 6,513.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.94 : 10,420.74 = 4,720.08 : x
  2. Step 2: Convert to fraction form
    7,550.94/10,420.74 = 4,720.08/x
  3. Step 3: Cross multiply
    7,550.94x = 10,420.74 × 4,720.08
  4. Step 4: Simplify right side
    7,550.94x = 49,186,726.46
  5. Step 5: Solve for x
    x = 49,186,726.46/7,550.94
  6. Step 6: Final answer
    x = 6,513.99

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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.