Home / 5,313.02-7,331.36-3,074.42

Finding the Fourth Proportional to 5,313.02, 7,331.36 and 3,074.42

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Solution

The fourth proportional to 5,313.02, 7,331.36 and 3,074.42 is: 4,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.02 : 7,331.36 = 3,074.42 : x
  2. Step 2: Convert to fraction form
    5,313.02/7,331.36 = 3,074.42/x
  3. Step 3: Cross multiply
    5,313.02x = 7,331.36 × 3,074.42
  4. Step 4: Simplify right side
    5,313.02x = 22,539,679.81
  5. Step 5: Solve for x
    x = 22,539,679.81/5,313.02
  6. Step 6: Final answer
    x = 4,242.35

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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.