Home / 7,275.72-10,038.74-4,249.12

Finding the Fourth Proportional to 7,275.72, 10,038.74 and 4,249.12

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Solution

The fourth proportional to 7,275.72, 10,038.74 and 4,249.12 is: 5,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.72 : 10,038.74 = 4,249.12 : x
  2. Step 2: Convert to fraction form
    7,275.72/10,038.74 = 4,249.12/x
  3. Step 3: Cross multiply
    7,275.72x = 10,038.74 × 4,249.12
  4. Step 4: Simplify right side
    7,275.72x = 42,655,842.22
  5. Step 5: Solve for x
    x = 42,655,842.22/7,275.72
  6. Step 6: Final answer
    x = 5,862.77

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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.