Home / 7,770.81-10,723.73-4,626.75

Finding the Fourth Proportional to 7,770.81, 10,723.73 and 4,626.75

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Solution

The fourth proportional to 7,770.81, 10,723.73 and 4,626.75 is: 6,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.81 : 10,723.73 = 4,626.75 : x
  2. Step 2: Convert to fraction form
    7,770.81/10,723.73 = 4,626.75/x
  3. Step 3: Cross multiply
    7,770.81x = 10,723.73 × 4,626.75
  4. Step 4: Simplify right side
    7,770.81x = 49,615,994.64
  5. Step 5: Solve for x
    x = 49,615,994.64/7,770.81
  6. Step 6: Final answer
    x = 6,384.92

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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.