Home / 5,312.74-7,331.97-3,074.71

Finding the Fourth Proportional to 5,312.74, 7,331.97 and 3,074.71

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Solution

The fourth proportional to 5,312.74, 7,331.97 and 3,074.71 is: 4,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.74 : 7,331.97 = 3,074.71 : x
  2. Step 2: Convert to fraction form
    5,312.74/7,331.97 = 3,074.71/x
  3. Step 3: Cross multiply
    5,312.74x = 7,331.97 × 3,074.71
  4. Step 4: Simplify right side
    5,312.74x = 22,543,681.48
  5. Step 5: Solve for x
    x = 22,543,681.48/5,312.74
  6. Step 6: Final answer
    x = 4,243.32

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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.