Home / 5,022.66-6,931.05-2,784.51

Finding the Fourth Proportional to 5,022.66, 6,931.05 and 2,784.51

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Solution

The fourth proportional to 5,022.66, 6,931.05 and 2,784.51 is: 3,842.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.66 : 6,931.05 = 2,784.51 : x
  2. Step 2: Convert to fraction form
    5,022.66/6,931.05 = 2,784.51/x
  3. Step 3: Cross multiply
    5,022.66x = 6,931.05 × 2,784.51
  4. Step 4: Simplify right side
    5,022.66x = 19,299,578.04
  5. Step 5: Solve for x
    x = 19,299,578.04/5,022.66
  6. Step 6: Final answer
    x = 3,842.50

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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.