Home / 5,030.48-6,942.12-2,792.40

Finding the Fourth Proportional to 5,030.48, 6,942.12 and 2,792.40

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Solution

The fourth proportional to 5,030.48, 6,942.12 and 2,792.40 is: 3,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,030.48 : 6,942.12 = 2,792.40 : x
  2. Step 2: Convert to fraction form
    5,030.48/6,942.12 = 2,792.40/x
  3. Step 3: Cross multiply
    5,030.48x = 6,942.12 × 2,792.40
  4. Step 4: Simplify right side
    5,030.48x = 19,385,175.89
  5. Step 5: Solve for x
    x = 19,385,175.89/5,030.48
  6. Step 6: Final answer
    x = 3,853.54

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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.