Home / 5,321.37-7,341.51-5,313.18

Finding the Fourth Proportional to 5,321.37, 7,341.51 and 5,313.18

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Solution

The fourth proportional to 5,321.37, 7,341.51 and 5,313.18 is: 7,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.37 : 7,341.51 = 5,313.18 : x
  2. Step 2: Convert to fraction form
    5,321.37/7,341.51 = 5,313.18/x
  3. Step 3: Cross multiply
    5,321.37x = 7,341.51 × 5,313.18
  4. Step 4: Simplify right side
    5,321.37x = 39,006,764.10
  5. Step 5: Solve for x
    x = 39,006,764.10/5,321.37
  6. Step 6: Final answer
    x = 7,330.21

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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.