Home / 3,074.48-4,613.52-1,225.76

Finding the Fourth Proportional to 3,074.48, 4,613.52 and 1,225.76

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Solution

The fourth proportional to 3,074.48, 4,613.52 and 1,225.76 is: 1,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.48 : 4,613.52 = 1,225.76 : x
  2. Step 2: Convert to fraction form
    3,074.48/4,613.52 = 1,225.76/x
  3. Step 3: Cross multiply
    3,074.48x = 4,613.52 × 1,225.76
  4. Step 4: Simplify right side
    3,074.48x = 5,655,068.28
  5. Step 5: Solve for x
    x = 5,655,068.28/3,074.48
  6. Step 6: Final answer
    x = 1,839.36

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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.