Home / 4,688.48-6,470.76-2,698.98

Finding the Fourth Proportional to 4,688.48, 6,470.76 and 2,698.98

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Solution

The fourth proportional to 4,688.48, 6,470.76 and 2,698.98 is: 3,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.48 : 6,470.76 = 2,698.98 : x
  2. Step 2: Convert to fraction form
    4,688.48/6,470.76 = 2,698.98/x
  3. Step 3: Cross multiply
    4,688.48x = 6,470.76 × 2,698.98
  4. Step 4: Simplify right side
    4,688.48x = 17,464,451.82
  5. Step 5: Solve for x
    x = 17,464,451.82/4,688.48
  6. Step 6: Final answer
    x = 3,724.97

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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.