Home / 5,394.48-7,440.12-3,531.12

Finding the Fourth Proportional to 5,394.48, 7,440.12 and 3,531.12

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Solution

The fourth proportional to 5,394.48, 7,440.12 and 3,531.12 is: 4,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.48 : 7,440.12 = 3,531.12 : x
  2. Step 2: Convert to fraction form
    5,394.48/7,440.12 = 3,531.12/x
  3. Step 3: Cross multiply
    5,394.48x = 7,440.12 × 3,531.12
  4. Step 4: Simplify right side
    5,394.48x = 26,271,956.53
  5. Step 5: Solve for x
    x = 26,271,956.53/5,394.48
  6. Step 6: Final answer
    x = 4,870.16

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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.