Home / 5,252.48-7,878.36-1,792.16

Finding the Fourth Proportional to 5,252.48, 7,878.36 and 1,792.16

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Solution

The fourth proportional to 5,252.48, 7,878.36 and 1,792.16 is: 2,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.48 : 7,878.36 = 1,792.16 : x
  2. Step 2: Convert to fraction form
    5,252.48/7,878.36 = 1,792.16/x
  3. Step 3: Cross multiply
    5,252.48x = 7,878.36 × 1,792.16
  4. Step 4: Simplify right side
    5,252.48x = 14,119,281.66
  5. Step 5: Solve for x
    x = 14,119,281.66/5,252.48
  6. Step 6: Final answer
    x = 2,688.12

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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.