Home / 7,091.84-9,792.48-4,575.20

Finding the Fourth Proportional to 7,091.84, 9,792.48 and 4,575.20

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Solution

The fourth proportional to 7,091.84, 9,792.48 and 4,575.20 is: 6,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.84 : 9,792.48 = 4,575.20 : x
  2. Step 2: Convert to fraction form
    7,091.84/9,792.48 = 4,575.20/x
  3. Step 3: Cross multiply
    7,091.84x = 9,792.48 × 4,575.20
  4. Step 4: Simplify right side
    7,091.84x = 44,802,554.50
  5. Step 5: Solve for x
    x = 44,802,554.50/7,091.84
  6. Step 6: Final answer
    x = 6,317.48

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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.