Home / 3,313.67-4,572.36-1,897.13

Finding the Fourth Proportional to 3,313.67, 4,572.36 and 1,897.13

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Solution

The fourth proportional to 3,313.67, 4,572.36 and 1,897.13 is: 2,617.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.67 : 4,572.36 = 1,897.13 : x
  2. Step 2: Convert to fraction form
    3,313.67/4,572.36 = 1,897.13/x
  3. Step 3: Cross multiply
    3,313.67x = 4,572.36 × 1,897.13
  4. Step 4: Simplify right side
    3,313.67x = 8,674,338.47
  5. Step 5: Solve for x
    x = 8,674,338.47/3,313.67
  6. Step 6: Final answer
    x = 2,617.75

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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.