Home / 3,021.93-4,533.09-1,561.50

Finding the Fourth Proportional to 3,021.93, 4,533.09 and 1,561.50

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Solution

The fourth proportional to 3,021.93, 4,533.09 and 1,561.50 is: 2,342.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.93 : 4,533.09 = 1,561.50 : x
  2. Step 2: Convert to fraction form
    3,021.93/4,533.09 = 1,561.50/x
  3. Step 3: Cross multiply
    3,021.93x = 4,533.09 × 1,561.50
  4. Step 4: Simplify right side
    3,021.93x = 7,078,420.04
  5. Step 5: Solve for x
    x = 7,078,420.04/3,021.93
  6. Step 6: Final answer
    x = 2,342.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.