Home / 5,312.36-7,331.22-3,074.24

Finding the Fourth Proportional to 5,312.36, 7,331.22 and 3,074.24

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Solution

The fourth proportional to 5,312.36, 7,331.22 and 3,074.24 is: 4,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.36 : 7,331.22 = 3,074.24 : x
  2. Step 2: Convert to fraction form
    5,312.36/7,331.22 = 3,074.24/x
  3. Step 3: Cross multiply
    5,312.36x = 7,331.22 × 3,074.24
  4. Step 4: Simplify right side
    5,312.36x = 22,537,929.77
  5. Step 5: Solve for x
    x = 22,537,929.77/5,312.36
  6. Step 6: Final answer
    x = 4,242.55

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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.