Home / 7,770.15-10,724.01-4,628.16

Finding the Fourth Proportional to 7,770.15, 10,724.01 and 4,628.16

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Solution

The fourth proportional to 7,770.15, 10,724.01 and 4,628.16 is: 6,387.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.15 : 10,724.01 = 4,628.16 : x
  2. Step 2: Convert to fraction form
    7,770.15/10,724.01 = 4,628.16/x
  3. Step 3: Cross multiply
    7,770.15x = 10,724.01 × 4,628.16
  4. Step 4: Simplify right side
    7,770.15x = 49,632,434.12
  5. Step 5: Solve for x
    x = 49,632,434.12/7,770.15
  6. Step 6: Final answer
    x = 6,387.58

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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.