Home / 7,539.16-10,403.76-4,182.02

Finding the Fourth Proportional to 7,539.16, 10,403.76 and 4,182.02

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Solution

The fourth proportional to 7,539.16, 10,403.76 and 4,182.02 is: 5,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.16 : 10,403.76 = 4,182.02 : x
  2. Step 2: Convert to fraction form
    7,539.16/10,403.76 = 4,182.02/x
  3. Step 3: Cross multiply
    7,539.16x = 10,403.76 × 4,182.02
  4. Step 4: Simplify right side
    7,539.16x = 43,508,732.40
  5. Step 5: Solve for x
    x = 43,508,732.40/7,539.16
  6. Step 6: Final answer
    x = 5,771.03

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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.