Home / 5,613.21-7,746.75-3,223.51

Finding the Fourth Proportional to 5,613.21, 7,746.75 and 3,223.51

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Solution

The fourth proportional to 5,613.21, 7,746.75 and 3,223.51 is: 4,448.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.21 : 7,746.75 = 3,223.51 : x
  2. Step 2: Convert to fraction form
    5,613.21/7,746.75 = 3,223.51/x
  3. Step 3: Cross multiply
    5,613.21x = 7,746.75 × 3,223.51
  4. Step 4: Simplify right side
    5,613.21x = 24,971,701.75
  5. Step 5: Solve for x
    x = 24,971,701.75/5,613.21
  6. Step 6: Final answer
    x = 4,448.74

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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.