Home / 5,091.36-7,638.80-4,547.04

Finding the Fourth Proportional to 5,091.36, 7,638.80 and 4,547.04

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Solution

The fourth proportional to 5,091.36, 7,638.80 and 4,547.04 is: 6,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.36 : 7,638.80 = 4,547.04 : x
  2. Step 2: Convert to fraction form
    5,091.36/7,638.80 = 4,547.04/x
  3. Step 3: Cross multiply
    5,091.36x = 7,638.80 × 4,547.04
  4. Step 4: Simplify right side
    5,091.36x = 34,733,929.15
  5. Step 5: Solve for x
    x = 34,733,929.15/5,091.36
  6. Step 6: Final answer
    x = 6,822.13

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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.