Home / 6,764.51-9,332.57-3,931.74

Finding the Fourth Proportional to 6,764.51, 9,332.57 and 3,931.74

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Solution

The fourth proportional to 6,764.51, 9,332.57 and 3,931.74 is: 5,424.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,764.51 : 9,332.57 = 3,931.74 : x
  2. Step 2: Convert to fraction form
    6,764.51/9,332.57 = 3,931.74/x
  3. Step 3: Cross multiply
    6,764.51x = 9,332.57 × 3,931.74
  4. Step 4: Simplify right side
    6,764.51x = 36,693,226.49
  5. Step 5: Solve for x
    x = 36,693,226.49/6,764.51
  6. Step 6: Final answer
    x = 5,424.37

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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.