Home / 4,792.08-6,615-2,905.68

Finding the Fourth Proportional to 4,792.08, 6,615 and 2,905.68

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Solution

The fourth proportional to 4,792.08, 6,615 and 2,905.68 is: 4,011.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.08 : 6,615 = 2,905.68 : x
  2. Step 2: Convert to fraction form
    4,792.08/6,615 = 2,905.68/x
  3. Step 3: Cross multiply
    4,792.08x = 6,615 × 2,905.68
  4. Step 4: Simplify right side
    4,792.08x = 19,221,073.20
  5. Step 5: Solve for x
    x = 19,221,073.20/4,792.08
  6. Step 6: Final answer
    x = 4,011.01

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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.